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Browse Bridge Database

5,883 bridges in the FHWA National Bridge Inventory in South Dakota.

National Bridge Inventory Database

Browse 5,883 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

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BridgeLocationConditionYear BuiltLengthADT
FIRESTEEL CK South Dakota Fair 1975 30.8 m 64
ENEMY CK South Dakota Fair 1970 7.9 m 64
ENEMY CK South Dakota Poor 1967 11.3 m 64
ENEMY CK South Dakota Poor 1920 8.2 m 64
FIRESTEEL CK South Dakota Fair 1970 24.2 m 64
ENEMY CK South Dakota Poor 1915 11.3 m 64
NORTH BR TWELVE MILE CK South Dakota Good 2003 6.9 m 64
NORTH BR TWELVE MILE CK South Dakota Good 2002 6.9 m 64
ENEMY CK South Dakota Poor 1935 12.8 m 64
ENEMY CK South Dakota Good 2021 26.5 m 64
ENEMY CK South Dakota Good 2003 6.3 m 64
ENEMY CK South Dakota Fair 1991 7.6 m 64
ENEMY CK South Dakota Fair 1964 7.9 m 64
NORTH BR TWELVE MILE CK South Dakota Fair 1970 10.1 m 64
DRY RUN CK South Dakota Poor 1945 7.9 m 64
ENEMY CK South Dakota Fair 1970 7.6 m 64
ENEMY CK South Dakota Poor 1970 13.7 m 64
FIRESTEEL CK South Dakota Good 2023 39.6 m 64
DRY RUN CK South Dakota Good 2005 7.5 m 64
ENEMY CK South Dakota Fair 1987 10.7 m 64
NORTH BR TWELVE MILE CK South Dakota Poor 1930 7.9 m 64
NORTH BR TWELVE MILE CK South Dakota Poor 1930 10.7 m 64
SOUTH FORK TWELVE MILE C South Dakota Good 2019 7.6 m 64
NORTH BR TWELVE MILE CK South Dakota Good 2001 8.7 m 64
ENEMY CK South Dakota Fair 1989 10.7 m 64
ENEMY CK South Dakota Fair 2000 12.2 m 64
NORTH BR TWELVE MILE CK South Dakota Fair 1965 7.9 m 64
NORTH BR TWELVE MILE CK South Dakota Poor 1945 10.7 m 64
JAMES RV South Dakota Fair 1987 41.1 m 64
ENEMY CK South Dakota Good 2021 32.3 m 64
CK South Dakota Good 1998 6.3 m 64
NORTH BR TWELVE MILE CK South Dakota Fair 1972 10.1 m 64
TRIB TO SPLIT ROCK CK South Dakota Fair 1990 15.8 m 64
SKUNK CK South Dakota Fair 1980 19.0 m 64
MEDICINE CK South Dakota Poor 1956 16.2 m 64
SLICK CK South Dakota Good 2015 8.7 m 64
BEAVER CREEK South Dakota Good 2018 36.3 m 63
CK South Dakota Fair 1962 33.2 m 63
BIG SIOUX RV South Dakota Poor 1900 43.1 m 63
CK South Dakota Fair 1970 34.4 m 63
CK South Dakota Poor 1974 15.5 m 63
EAST BR DEER CK South Dakota Fair 2007 19.8 m 63
ANTELOPE CK South Dakota Poor 1954 22.6 m 63
OAK CK South Dakota Fair 1957 39.2 m 63
SPRING CK South Dakota Fair 1972 24.4 m 63
WEST COTTONWOOD CK South Dakota Good 2001 30.5 m 63
BLIND CREEK South Dakota Good 2016 15.2 m 63
BEAVER CREEK South Dakota Good 2014 23.8 m 63
LITTLE BEAVER CREAK South Dakota Fair 1989 20.4 m 63
RAPID CK South Dakota Good 2024 12.2 m 62

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.