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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
FIRESTEEL CK South Dakota Good 2006 30.5 m 1,065
CK South Dakota Good 1998 7.6 m 1,062
PLATTE CK South Dakota Good 1998 50.6 m 1,062
WAGON HOUND CK South Dakota Fair 2002 8.7 m 1,052
LITTLE WHITE RIVER South Dakota Poor 1967 30.2 m 1,050
LITTLE WHITE RIVER South Dakota Poor 1967 30.2 m 1,050
LITTLE WHITE RIVER South Dakota Good 2024 30.5 m 1,050
INDIAN CK South Dakota Fair 1965 42.7 m 1,037
EAST BR ANTELOPE CK South Dakota Fair 1965 42.7 m 1,037
LAKE POINSETT INLET South Dakota Fair 1951 28.3 m 1,034
LAKE POINSETT OUTLET South Dakota Fair 1951 20.4 m 1,034
NINE MILE CREEK South Dakota Good 2023 23.8 m 1,032
GAVINS POINT POWERHOUSE South Dakota Fair 1954 101.9 m 1,029
GAVINS POINT SPILLWAY South Dakota Fair 1956 246.3 m 1,029
TRIB TO WILLOW CK South Dakota Fair 1969 6.3 m 1,024
LITTLE WHITE RIVER South Dakota Poor 1965 30.2 m 1,019
LONG CREEK South Dakota Fair 1951 25.3 m 1,017
LONG CREEK South Dakota Fair 1951 28.0 m 1,017
BATTLE CK South Dakota Fair 1974 34.9 m 1,007
BATTLE CK South Dakota Fair 1974 60.1 m 1,007
BATTLE CK South Dakota Fair 1974 64.6 m 1,007
BATTLE CK South Dakota Fair 1974 24.3 m 1,007
BATTLE CK South Dakota Fair 1974 28.6 m 1,007
BATTLE CK South Dakota Fair 1974 60.0 m 1,007
BATTLE CK South Dakota Fair 1974 50.3 m 1,007
IRON CK South Dakota Fair 1974 46.4 m 1,007
BEAVER CREEK South Dakota Fair 1989 30.3 m 1,006
BEAVER CREEK South Dakota Poor 1967 36.3 m 1,006
TRIB TO BEAVER CK South Dakota Good 2000 10.0 m 1,006
CAMP CK South Dakota Fair 1968 7.3 m 1,004
ELCE CK South Dakota Fair 1968 6.3 m 1,004
VERMILLION RV South Dakota Fair 1968 56.7 m 1,004
ABANDON LINE RR South Dakota Poor 1930 30.8 m 1,000
POLO CK South Dakota Good 2018 15.3 m 1,000
CENTER LAKE INLET South Dakota Poor 1950 7.4 m 1,000
BR COTTONWOOD CK South Dakota Good 2021 7.5 m 999
CK South Dakota Fair 1954 6.2 m 998
WHITE RV South Dakota Fair 1996 134.4 m 998
HORSEHEAD CK South Dakota Fair 1956 55.3 m 998
HORSEHEAD CK South Dakota Good 2011 52.4 m 998
TRIB TO BIG SIOUX RV South Dakota Poor 1922 10.4 m 994
ANTELOPE CK South Dakota Fair 1953 16.5 m 993
MUD CK South Dakota Fair 1953 28.0 m 993
BATTLE CK South Dakota Fair 1974 49.2 m 992
BATTLE CK South Dakota Fair 1974 51.8 m 992
BATTLE CK South Dakota Fair 1986 31.1 m 992
BATTLE CK South Dakota Good 1986 63.9 m 992
SPEARFISH CK South Dakota Good 2003 25.9 m 989
WEST FORK VERMILLION RV South Dakota Good 2021 69.0 m 986
TRIB LITTLE CHEYENNE CK South Dakota Good 2003 8.7 m 985

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.