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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
SLIP-UP CK South Dakota Good 2014 23.6 m 1,340
LITTLE WHITE RV South Dakota Fair 1989 43.1 m 1,340
I029 South Dakota Fair 1966 77.4 m 1,336
MEDARY CK OVERFLOW South Dakota Fair 1974 8.0 m 1,336
MEDARY CK South Dakota Fair 1974 63.7 m 1,336
HAY CK South Dakota Fair 1961 18.3 m 1,335
BUFFALO CK South Dakota Fair 1964 32.2 m 1,330
BIG SIOUX RV South Dakota Poor 1930 23.5 m 1,330
TRIB CHOTEAU CK South Dakota Good 2020 6.9 m 1,329
CK South Dakota Fair 1940 6.2 m 1,329
TRIB. TO SKUNK CREEK South Dakota Good 2001 12.7 m 1,328
CROW TIMBER CK South Dakota Fair 1971 26.4 m 1,328
CK South Dakota Good 2010 11.8 m 1,326
BR WHETSTONE RV South Dakota Fair 1957 39.2 m 1,321
NORTH FORK WHETSTONE RV South Dakota Fair 1957 53.2 m 1,321
OWL CK South Dakota Good 2020 12.9 m 1,319
POTATO CREEK South Dakota Poor 1942 20.7 m 1,314
MEDICINE ROOT CREEK South Dakota Fair 1980 10.4 m 1,314
BIG SIOUX RV South Dakota Good 2020 75.0 m 1,305
CK South Dakota Good 2020 27.3 m 1,305
CK South Dakota Poor 1925 16.0 m 1,305
TRIB TO OAK CK South Dakota Fair 2005 7.3 m 1,303
WHITE HORSE CK South Dakota Fair 2016 20.7 m 1,303
LAKE ANDES OUTLET South Dakota Good 2005 6.3 m 1,298
TRIB TO LAKE ANDES South Dakota Good 2005 6.5 m 1,298
SKUNK CK South Dakota Good 2017 40.2 m 1,297
EAST BRULE CK South Dakota Good 1965 8.8 m 1,294
SLIM BUTTE CK South Dakota Fair 1953 36.1 m 1,294
EAST BRULE CK South Dakota Fair 1965 28.4 m 1,294
WHITE RV South Dakota Fair 1953 48.0 m 1,294
WHITE CLAY CK South Dakota Fair 1953 35.7 m 1,294
BLACK TAIL CK South Dakota Fair 1953 40.4 m 1,294
DRAINAGE DITCH South Dakota Fair 1960 8.6 m 1,292
BRULE CK South Dakota Fair 1960 32.3 m 1,292
CK South Dakota Fair 1954 7.6 m 1,291
SPEARFISH CK South Dakota Fair 1971 68.9 m 1,291
LITTLE BEAR CK South Dakota Good 2023 36.4 m 1,291
I029 South Dakota Fair 1958 77.4 m 1,291
I090 South Dakota Fair 1961 77.4 m 1,285
WEST BR FIRESTEEL CK South Dakota Fair 1959 36.1 m 1,284
CK South Dakota Fair 1960 6.2 m 1,284
CK South Dakota Good 2021 15.2 m 1,284
SOUTH FORK YELLOW BANK R South Dakota Good 2021 11.5 m 1,284
CK South Dakota Good 2021 10.9 m 1,284
CK South Dakota Fair 2021 11.5 m 1,284
MADISON CK South Dakota Good 2020 8.6 m 1,283
DRY CHOTEAU CK South Dakota Fair 1960 28.7 m 1,280
CK South Dakota Good 2018 11.8 m 1,280
CK South Dakota Good 2023 10.9 m 1,279
MEDARY CK South Dakota Poor 1938 23.2 m 1,275

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.