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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
WEST UNION CK South Dakota Fair 1969 36.5 m 406
BR WEST FORK ELM CK South Dakota Poor 1959 8.9 m 405
CHEYENNE RV South Dakota Fair 1981 642.8 m 405
HERMAPHRODITE CK South Dakota Good 1981 65.9 m 405
BR WEST FORK ELM CK South Dakota Fair 1959 7.6 m 405
US016A South Dakota Good 1976 53.6 m 404
US016A South Dakota Fair 1985 46.3 m 404
CK South Dakota Fair 1935 10.6 m 403
CREEK South Dakota Good 2006 8.7 m 402
S FORK SNAKE CREEK South Dakota Fair 1952 49.7 m 402
MEADE ST DRAINAGE DITCH South Dakota Fair 1978 12.5 m 400
BIG SIOUX RIVER South Dakota Fair 1971 107.6 m 400
CK South Dakota Fair 1955 16.5 m 400
BRULE CK South Dakota Good 2017 40.3 m 400
MASDON CK South Dakota Good 1996 7.5 m 400
BEAR BUTTE CK South Dakota Good 2013 18.1 m 400
RAPID CK South Dakota Good 1992 50.0 m 400
CK South Dakota Good 1955 10.2 m 400
BRULE CK South Dakota Good 2016 44.4 m 400
CAPITOL CK South Dakota Good 2001 7.8 m 400
CK South Dakota Good 1979 7.3 m 400
CK South Dakota Fair 1956 35.7 m 400
TURKEY CREEK South Dakota Fair 1956 36.3 m 400
NORTH PLUM CK South Dakota Fair 1959 62.6 m 400
TRIB. TO E FORK VERM RV South Dakota Fair 1957 6.3 m 400
PONCA CK South Dakota Good 1984 18.4 m 400
PLUM CK South Dakota Fair 1958 35.7 m 400
RAPID CK South Dakota Fair 1974 25.9 m 400
CREEK South Dakota Good 2009 9.3 m 399
TRIB TO SPLIT ROCK CK South Dakota Poor 1977 15.8 m 398
BIG SIOUX RV South Dakota Fair 1966 55.5 m 397
BROOKFIELD CREEK South Dakota Good 2022 13.7 m 397
BURLINGTON NORTHERN RR South Dakota Fair 1978 56.1 m 397
CK South Dakota Good 2023 10.9 m 394
SWAN LAKE CK South Dakota Good 2023 15.9 m 394
I090 South Dakota Fair 1964 69.2 m 392
CK South Dakota Fair 1964 7.2 m 391
CK South Dakota Good 1991 6.3 m 391
DRY RUN CK South Dakota Fair 1964 6.3 m 391
CK South Dakota Good 1992 7.7 m 391
CK South Dakota Good 1992 6.3 m 391
CK South Dakota Fair 1992 6.3 m 391
CK South Dakota Fair 1992 9.5 m 391
CK South Dakota Fair 1996 7.5 m 391
CK South Dakota Fair 1996 11.3 m 391
WEST BRULE CREEK South Dakota Good 2023 7.7 m 390
CK South Dakota Good 2017 13.1 m 390
BIG SIOUX RV South Dakota Good 2017 76.2 m 390
FIRESTEEL CK South Dakota Poor 1910 27.4 m 390
ELK CK South Dakota Fair 1957 6.7 m 389

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.