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From page 108... ...
APPENDIX B State DOT Responses to Survey Question 1: Approximately what percentage of the total state DOT culvert inventory do each of the following roadway and embankment culvert types comprise? Please make sure the total adds up to 100%.
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From page 109... ...
New Hampshire PolyNew York Solid Wall and Profile Wall North Carolina Steel, Metal Box, Metal 3 Sided North Dakota Structural Plate Pipe Ohio Oregon Tennessee Uncertain Texas Did not specify shape. Vermont Squash, Unknown, or Other Size/Type Virginia ‘Bridge Class' culverts.
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From page 110... ...
110 Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts Question 2: Do you have an expected design service life of state DOT roadway and embankment culverts? State Yes No Alabama Arizona X Arkansas X California X Colorado X X Delaware X Florida X Hawaii X Idaho X Illinois X Indiana X Iowa X Kansas X Kentucky X Louisiana X Maine X Maryland X Michigan X Minnesota X Missouri X Montana X Nebraska X Nevada X New Hampshire X New Mexico X New York X North Carolina X North Dakota X Ohio X Oklahoma X Oregon X South Carolina X Tennessee X Texas X Utah X Vermont X Virginia X Washington X West Virginia X Wisconsin X Puerto Rico X
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From page 111... ...
Alabama Arizona X Arkansas X California Colorado X X Delaware X Depends on material: ranges from 35–100 years Florida X D yr service life Hawaii X Idaho X Interstate 100 yr, Primary 80 yr, Secondary 50 yr, Culvert life Illinois X Indiana X Iowa X Kansas X Interstate = 50+, Other = 30 yr Kentucky Louisiana X Maine X Maryland X Michigan X Minnesota X Missouri Montana X Interstates and deep fill are 100 Nebraska X Nevada X New X 20-30 aluminum, 30–45 CMP, 75–100 concrete, 100–150 Hampshire New Mexico X New York X North Carolina X North Dakota X Ohio X Oklahoma X Oregon X Interstates are 75 years all others are 50 years. South Carolina X Tennessee X Texas X Expect 75–100 years.
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From page 112... ...
corrosive environment) Alabama Arizona X Arkansas X California Colorado X X Delaware X Florida X Hawaii X Idaho X Illinois X Indiana X Iowa X X Kansas X Kentucky Louisiana X Maine X X Maryland X X Michigan X Minnesota X Missouri Montana X Nebraska X X Nevada X New Hampshire X X New Mexico X X New York X North Carolina X North Dakota X X Ohio X Oklahoma X X Oregon X X South Carolina X Tennessee X Texas X Utah X Vermont X Virginia X Washington X West Virginia X Wisconsin Puerto Rico X
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From page 113... ...
State DOT Responses to Survey 113 Question 3: Approximately how many culverts are owned and maintained by the DOT? State 0–999 1,000– 5,000– 10,000– 20,000– 50,000– 100,000 or 4,999 9,999 19,999 49,999 99,999 more Alabama Arizona X Arkansas X California X Colorado X X Delaware X Florida X Hawaii X Idaho X Illinois X Indiana X Iowa X Kansas X Kentucky X Louisiana X Maine X Maryland X Michigan X Minnesota X Missouri X Montana X Nebraska X Nevada X New Hampshire X New Mexico X New York X North Carolina X North Dakota X Ohio X Oklahoma X Oregon X South Carolina X Tennessee X Texas X Utah X Vermont X Virginia X Washington X West Virginia X Wisconsin X Puerto Rico X
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From page 114... ...
114 Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts Question 4: Does the state DOT have a formal risk assessment methodology to evaluate culvert resiliency and durability? State Yes No Alabama Arizona X Arkansas X California X Colorado X X Delaware X Florida X Hawaii X Idaho X Illinois X Indiana X Iowa X Kansas X Kentucky X Louisiana X Maine X Maryland X Michigan X Minnesota X Missouri X Montana X Nebraska X Nevada X New Hampshire X New Mexico X New York X North Carolina X North Dakota X Ohio X Oklahoma X Oregon X South Carolina X Tennessee X Texas X Utah X Vermont X Virginia X Washington X West Virginia X Wisconsin X Puerto Rico X
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From page 115... ...
State Documents and links associated with the formal risk assessment methodology Colorado -rnr-analysis-procedure-8-4-2020 -resilience-program Louisiana 2_1_1.pdf Minnesota Our risk assessment focuses on hydraulic capacity and associated flood risk, and not "durability" of the pipe because the assessments are typically completed for new (not and inventory program. Ohio the required 75 service life is under 75-year.
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From page 116... ...
maintenance Alabama X X Arizona X X X X Arkansas X X X California X X Colorado X X X X Delaware X Florida X X X Hawaii X X X Idaho X Illinois X X Indiana X X Iowa X X Kansas X Kentucky X Louisiana X X Maine X X X Maryland X X X Michigan X Minnesota X X X Missouri X Montana X X Nebraska X X X Nevada X X X X New Hampshire X X X X New Mexico X X New York X North Carolina X X X X North Dakota X X X Ohio X X Oklahoma X X Oregon X X X South Carolina X X X Tennessee X Texas X Utah X X X Vermont X Virginia X X X X Washington X X X West Virginia X Wisconsin X X X X Puerto Rico X
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From page 117... ...
North Carolina Conveyance improvements North Dakota Based on upcoming projects or failures, some districts have a r Oregon Request from maintenance for known flooding, scour, failing culverts. Tennessee Uncertain Texas Virginia If discovered during new projects that it does not meet capacity requirements West Virginia Roadway failure Wisconsin life of the current pavement replacement or pavement maintenance project
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From page 118... ...
Alabama X Arizona X Arkansas X California X Colorado X X X X Delaware X X Florida X Hawaii X Idaho X Illinois X Indiana X Iowa X Kansas X Field i Kentucky X Louisiana X Maine X Maryland X X Michigan X Minnesota X X Missouri X Montana X Nebraska X completed for projects within 5-year program. Nevada X New X X X N guidelines; we Hampshire resiliency; New Mexico X New York X X X North Carolina X North Dakota X X X Per project strategy Ohio X Oklahoma X Oregon X X South Carolina X Tennessee X Uncertain Texas X Utah X Vermont X Virginia X X X Washington X West Virginia X Wisconsin X Developing a resiliency analysis tool Puerto Rico X
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From page 119... ...
For example, if the culverts on an individual project appear culverts if the proposed improvement type has a 10-year pavement treatment service life.
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From page 120... ...
in place) Alabama X X X Arizona X X X Arkansas X California X Colorado X X X X X Delaware X X Florida X Hawaii X Idaho X Illinois X Indiana X X X Iowa X X X Kansas X Kentucky X Louisiana X Maine X X X Maryland X Michigan X X X Minnesota X X X Missouri X Montana X Nebraska X X X X Nevada X X X New Hampshire X X X X New Mexico X New York X X North Carolina X X X North Dakota X Ohio X X X X Oklahoma X Oregon X South Carolina X Tennessee X Texas X Utah X X X Vermont X X X Virginia X X X X Washington X X X West Virginia X Wisconsin X X X Puerto Rico X X X
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From page 121... ...
This covers 18-inch to 20-feet culverts. North Dakota 8 Feet diameter and g .
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From page 122... ...
122 Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts Question 8: Does size and/or material of DOT culverts affect inspection and maintenance practices? Select all that apply or select "Neither." State Size Culvert Material Neither Alabama X Arizona X Arkansas X California X Colorado X X Delaware X X Florida X Hawaii X X Idaho X Illinois X Indiana X Iowa X Kansas X Kentucky X Louisiana X X Maine X Maryland X X Michigan X Minnesota X Missouri X Montana X Nebraska X Nevada X New Hampshire X X New Mexico X New York X North Carolina X North Dakota X Ohio X Oklahoma X Oregon X South Carolina X X Tennessee X Texas X Utah X Vermont X Virginia X Washington X West Virginia X Wisconsin X X Puerto Rico X
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From page 123... ...
State Every year Every 2 years Every 3 years Every 4 years Every 5–10 years Other (please specify) Alabama X Arizona X Arkansas California X Colorado Delaware Florida Hawaii Idaho X Illinois Indiana Iowa X Kansas Kentucky X Louisiana Maine Maryland Michigan Minnesota X Missouri Montana Nebraska X Nevada X New Hampshire New Mexico X New York North Carolina North Dakota Ohio Oklahoma X Oregon South Carolina Tennessee X Texas Utah X Vermont Virginia Washington West Virginia X Wisconsin Puerto Rico X
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From page 124... ...
124 Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts Write-in answers to Question 8a: With what frequency are the culverts under state DOT jurisdiction inspected or assessed? Check the most appropriate frequency.
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From page 125... ...
120 in.–240 in. Alabama Arizona Arkansas 1 1 1 California Colorado 5 4 4 5 2 2 Delaware 4 4 4 Florida 5 5 5 Hawaii 5 5 5 Idaho Illinois 5 5 5 Indiana 2 2 2 Iowa Kansas Kentucky Louisiana 5 2 2 Maine 5 5 2 Maryland 5 4 3 Michigan 5 5 5 Minnesota Missouri 5 5 5 Montana Nebraska Nevada New Hampshire 1 1 1 New Mexico New York 5 5 5 North Carolina 5 5 5 North Dakota 5 2 2 Ohio 5 5 2 Oklahoma Oregon 5 5 5 South Carolina 5 5 5 Tennessee Texas Utah Vermont 5 5 5 Virginia 5 5 5 Washington 5 5 2 West Virginia Wisconsin 4 4 2 Puerto Rico
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From page 126... ...
Texas 2 3 1 5 4 4 Utah 2 1 2 4 3 2 Vermont 3 2 2 2 4 3 Virginia 4 4 1 3 4 2 Washington 1 2 4 4 4 3 West Virginia 3 1 4 4 2 4 Wisconsin 3 2 3 4 4 3 Puerto Rico 1 1 4 5 3 3
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From page 127... ...
Washington 5 5 5 0 1 5 West Virginia 1 1 As Needed As Needed 1 As Needed Wisconsin 5 1 4 5 1 As Needed Puerto Rico 0 0 5 0 4 5
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From page 128... ...
New 4 5 5 2 2 3 3 5 4 4 4 Mexico New York 4 3 5 1 1 2 4 5 1 1 4 North 3 2 3 4 3 3 2 4 3 4 Carolina North 4 4 4 3 3 2 2 2 3 2 4 Dakota Ohio 4 3 4 3 4 3 1 5 4 3 5 Oklahoma 4 4 4 3 3 4 3 4 4 3 4 Oregon 4 2 4 4 4 2 2 3 3 3 3 South 4 3 4 2 3 3 2 4 3 1 4 Carolina Tennessee X Uncertain Texas X TxDOT does not maintain a list showing history or reasons for failures. Utah 4 4 5 3 3 5 4 5 3 2 5 Vermont 1 4 5 4 5 4 1 5 5 3 5 Virginia 2 3 4 3 1 4 3 5 5 3 5 Washington 4 3 5 4 3 1 1 4 4 3 4 West 4 4 4 3 3 4 1 5 2 2 5 Virginia Wisconsin 3 3 5 3 4 3 3 5 4 3 4 Puerto Rico 3 1 4 3 3 2 4 4 4 2 4
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From page 129... ...
State DOT Responses to Survey 129 Question 12: Select and rank the following practices employed by the state DOT to enhance the resiliency of state DOT culverts, with 1 being the most common, 2 being the 2nd most common, … and 5 being not at all common or not practiced. Please provide an answer for each of the options.
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From page 130... ...
culvert materials determine primary frequencies and culvert backfill magnitudes of flood materials mechanisms events Alabama X Arizona X Don't have a program in place. Arkansas X X California X Colorado X X X X X X X Delaware X Florida X Hawaii X Idaho X Illinois X X Indiana X X Iowa X Kansas X Kentucky X Louisiana X X Maine X X X Maryland X X X Michigan X X X Minnesota X X X X Missouri X X Montana X Nebraska X X X Age assessment and corrosive soil reviews Nevada X X New X X Hampshire New Mexico X X X Research on soil New York X X X X North X Carolina North X X Dakota Ohio X Oklahoma X X Oregon X Recognize the importance of all of the above and have proposals internally (especially for changing hydraulic demands and backfill materials)
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From page 131... ...
State Sliplining the Repairing the Stabilizing the fill Specifying backfill Other culvert with a culvert joints with around the joints when installing materials that are less (please more resilient, culvert with new or replacement prone to piping and specify) flowable fill, culverts soil loss through joints material foam, or grout Alabama Arizona X X Arkansas X X California X X Colorado X X X X Delaware X X X Florida X Hawaii X X X Idaho X Illinois X X Indiana X X X Iowa X X Kansas X Kentucky X Louisiana X X Maine X Maryland X X X X Michigan X X X X X Minnesota X X X X X X Missouri X Montana X X X Nebraska X Nevada X X X New Hampshire X X New Mexico X X New York X X X North Carolina X X North Dakota X X X X X Ohio X X X Oklahoma X X Oregon X X X X South Carolina X X X X Tennessee X Texas X Utah X X Vermont X X X X Virginia X X Washington X X X West Virginia X X Wisconsin X X X Puerto Rico X X X
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From page 132... ...
132 Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts Write-in answers to Question 14: Which of the following practices are employed by the state DOT to mitigate against piping at the outlets and soil loss through joints due to pressure heads induced by storm event flooding and inundation? Select all that apply.
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From page 133... ...
State Reinforced Reinforced Reinforced Reinforced Reinforced Corrugated Corrugated Corrugated Corrugated Corrugated Corrugated Corrugated Steel- Other Comments Concrete Concrete – Concrete – Concrete – Concrete - Metal – Metal – Metal – Metal – Metal – Polyethylene Polypropylene Reinforced (Please (RCP) – Box 3 Sided Arch Aluminized Galvanized Polymer Arch Aluminized (HDPE)
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From page 134... ...
Oklahoma >100 51-100 11 to 50 11 to 50 51 to 11 to 50 >100 1 to 10 1 to 10 1 to 10 1 to 10 11 to 50 0 100 Oregon >100 N/A N/A N/A N/A N/A >100 N/A N/A N/A 11 to 50 N/A N/A South >100 11 to 50 11 to 50 1 to 10 0 11 to 50 >100 0 11 to 50 0 11 to 50 0 0 Carolina Tennessee N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A X Uncertain Texas N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A X TxDOT does not track this data in a format to be able to report on this. Utah 51 to 11 to 50 0 0 0 51 to 51 to 51 to 11 to 50 1 to 10 51 to 100 >100 11 to 50 100 100 100 100 Vermont N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Unknown due to how we track our inventory of culverts Virginia 0 0 0 0 0 0 0 0 0 0 0 0 0 Washington 11 to 50 1 to 10 1 to 10 1 to 10 1 to 10 >100 >100 0 11 to 50 11 to 50 1 to 10 1 to 10 0 West 1 to 10 0 0 0 0 11 to 50 >100 1 to 10 >100 1 to 10 11 to 50 0 0 Virginia Wisconsin N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A > 100 Have no records to support a good We replace CMP's the most due to corrosion Puerto Rico >100 11 to 50 1 to 10 0 0 0 11 to 50 51 to 0 0 1 to 10 1 to 10 0 100
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From page 135... ...
State DOT Responses to Survey 135 Question 16: When replacing state DOT culverts to enhance resiliency, assign the importance of the following attributes. Please provide an answer for each of the options.
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From page 136... ...
136 Practices to Enhance Resiliency of Existing Roadway and Embankment Culverts Question 17: Based on the likelihood of the following extreme weather events occurring in the future, how concerned is the state DOT with the performance of state DOT culverts during these events? State Flood Event/Severe Hurricane Drought Tornado Wildfire Earthquake/Seismic Extreme Temperature Storm Alabama 1 2 3 3 3 3 3 Arizona 1 3 2 3 1 3 2 Arkansas 1 3 3 2 2 2 3 California 1 3 2 3 1 2 3 Colorado 1 3 2 2 1 3 3 2 1 3 3 3 3 3 Delaware 1 3 3 3 3 2 3 Florida 2 2 3 3 3 3 3 Hawaii 2 2 3 3 2 2 3 Idaho 1 3 2 3 1 2 2 Illinois 1 3 3 2 2 1 3 Indiana 1 3 3 3 3 3 2 Iowa 1 3 3 2 3 2 2 Kansas 2 3 3 2 3 3 3 Kentucky 1 3 3 3 3 3 3 Louisiana 1 1 3 3 2 3 3 Maine 1 3 2 3 3 3 3 Maryland 1 2 3 3 3 3 2 Michigan 1 3 3 3 3 3 3 Minnesota 1 3 2 3 2 3 2 Missouri 1 3 3 3 3 3 3 Montana 1 3 3 3 2 3 3 Nebraska 2 3 3 3 3 3 2 Nevada 2 3 3 3 2 3 3 New Hampshire 1 1 3 3 2 3 3 New Mexico 1 3 1 2 1 3 3 New York 1 1 3 3 3 3 3 North Carolina 1 2 3 3 3 3 3 North Dakota 1 3 3 3 3 3 3 Ohio 2 3 3 3 3 3 3 Oklahoma 1 3 3 3 3 2 3 Oregon 1 3 3 3 2 2 3 South Carolina 1 1 3 3 3 2 2 Tennessee 1 3 3 1 2 3 2 Texas 2 3 3 3 3 3 3 Utah 1 3 3 3 1 2 2 Vermont 1 2 3 3 3 3 2 Virginia 1 1 3 3 3 3 2 Washington 1 3 3 3 2 2 3 West Virginia 1 2 3 3 3 3 3 Wisconsin 1 3 3 3 2 3 3 Puerto Rico 1 1 2 3 2 2 3
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From page 137... ...
State Flood Hurricane Drought Tornado Wildfire Earthquake/ Extreme Event/Severe Seismic Temperature Storm Activity Fluctuations Alabama X Arizona X X Arkansas X California X X X Colorado X X X X X Delaware X Florida X X Hawaii X Idaho X X Illinois X Indiana X X Iowa X Kansas X Kentucky X X Louisiana X X Maine X Maryland X X Michigan X Minnesota X X Missouri X Montana X X Nebraska X Nevada X X New X X Hampshire New Mexico X X New York X X North Carolina X X North Dakota X X Ohio X Oklahoma X X Oregon X X South Carolina X X X Tennessee X Texas X X X X Utah X X X X Vermont X X Virginia X X Washington X X West Virginia X Wisconsin X X Puerto Rico X X X
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From page 138... ...
by event have been damaged culverts affected by by the event event Alabama X X X Arizona X X Arkansas X X X California X X X Colorado X X X X X Delaware X X X Florida X X Hawaii X Idaho X Illinois X X Indiana X X X Iowa X X Kansas X X X Kentucky X X X Louisiana X X X Maine X X X Maryland X X Michigan X X X Minnesota X X X Missouri X X X Montana X X X Nebraska X X X X Development of culvert inventory where Nebraska is currently gathering Nevada X X X New X X X Hampshire New Mexico X X X New York X X X North X X X Carolina North X X X Dakota Ohio X X X Oklahoma X X X Oregon X X X South X X Carolina Tennessee X Uncertain Texas X X Utah X X X Vermont X X X Virginia X Washington X X X West X X X Virginia Wisconsin X X X Puerto Rico X X X
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From page 139... ...
State DOT Responses to Survey 139 Question 20: Would your state DOT be interested in participating as a case example? State Yes No Alabama X Arizona X Arkansas X California X Colorado X X Delaware X Florida X Hawaii X Idaho X Illinois X Indiana X Iowa X Kansas X Kentucky X Louisiana X Maine X Maryland X Michigan X Minnesota X Missouri X Montana X Nebraska X Nevada X New Hampshire X New Mexico X New York X North Carolina X North Dakota X Ohio X Oklahoma X Oregon X South Carolina X Tennessee X Texas X Utah X Vermont X Virginia X Washington X West Virginia X Wisconsin X Puerto Rico X
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