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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
SMITH CK South Dakota Fair 1975 9.1 m 42
CK South Dakota Poor 1960 14.3 m 42
CK South Dakota Good 2016 8.5 m 42
SAND CK South Dakota Fair 1976 15.2 m 42
CK South Dakota Poor 1930 9.8 m 42
EAST FORK VERMILLION RV South Dakota Fair 1997 13.7 m 42
EAST FORK VERMILLION RV South Dakota Fair 1997 13.7 m 42
PINE CK South Dakota Good 1999 6.9 m 42
TRIB TO W PIPESTONE CK South Dakota Good 2024 11.5 m 42
WEST PIPESTONE CREEK South Dakota Fair 2001 37.2 m 42
EMANUEL CREEK South Dakota Fair 1977 30.5 m 41
UNNAMED TRIBUTARY South Dakota Good 2017 7.5 m 41
CK South Dakota Fair 1974 12.4 m 41
SAND LAKE South Dakota Fair 1971 42.7 m 41
CK South Dakota Fair 1964 15.5 m 41
SMITH CK South Dakota Fair 1959 56.7 m 41
SMITH CK South Dakota Fair 1959 56.7 m 41
I090 South Dakota Good 1965 81.5 m 41
ELM CREEK South Dakota Fair 1975 15.5 m 41
ELM CREEK South Dakota Fair 1975 15.5 m 41
CROW CREEK South Dakota Fair 1975 15.2 m 41
CROW CREEK South Dakota Good 1999 13.7 m 41
BIG SIOUX RV South Dakota Fair 1986 30.9 m 41
BEAVER CK South Dakota Good 2022 45.7 m 41
LONG BRANCH CK South Dakota Good 2019 14.4 m 41
FALL RV South Dakota Poor 1932 42.1 m 41
CHEYENNE RV South Dakota Poor 1930 203.0 m 41
ANGOSTURA MAIN CANAL South Dakota Fair 1986 12.5 m 41
HORSEHEAD CK South Dakota Good 1988 36.6 m 41
SAND CK South Dakota Good 1979 12.2 m 41
IRRIGATION DITCH South Dakota Good 1987 7.3 m 41
COTTONWOOD CK South Dakota Fair 1976 23.2 m 41
TRIB. TO E BRULE CREEK South Dakota Poor 1940 8.6 m 41
EAST BRULE CREEK South Dakota Poor 1959 9.8 m 41
CK South Dakota Good 2000 7.5 m 41
LONG CREEK South Dakota Fair 1970 7.6 m 41
TRIB TO SILVER CREEK South Dakota Fair 1938 6.3 m 41
SOUTH FORK MOREAU RV South Dakota Good 1996 51.2 m 41
S FORK SNAKE CREEK South Dakota Fair 1968 36.3 m 41
CK South Dakota Good 1978 7.4 m 41
TRIBUTARY TO SWAN CREEK South Dakota Good 1991 6.2 m 41
SWAN CREEK South Dakota Good 1991 9.5 m 41
SOUTH FORK PLATTE CREEK South Dakota Good 1941 9.4 m 40
CK South Dakota Good 2023 11.0 m 40
LAKE CK South Dakota Poor 1950 9.6 m 40
BEAR IN THE LODGE CK South Dakota Fair 1963 22.3 m 40
BEAR IN THE LODGE CK South Dakota Fair 1958 28.3 m 40
NORTH DEER CK South Dakota Good 2005 15.2 m 40
NORTH DEER CK South Dakota Fair 1974 15.5 m 40
MUD CREEK South Dakota Good 2002 9.5 m 40

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.