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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
ROCK CK South Dakota Poor 1925 11.6 m 25
ROCK CK South Dakota Fair 1976 11.6 m 25
ROCK CK South Dakota Poor 1926 10.1 m 25
WEST FORK VERMILLION RV South Dakota Poor 1961 7.9 m 25
WEST FORK VERMILLION RV South Dakota Fair 1961 7.6 m 25
RAPID CK South Dakota Poor 1972 12.5 m 25
BOXELDER CK South Dakota Good 1973 15.2 m 25
TRIB TO CHEYENNE RIVER South Dakota Good 2024 15.7 m 25
CK South Dakota Good 1981 7.3 m 25
LAKE CK South Dakota Good 2006 15.8 m 25
COTTONWOOD CK South Dakota Poor 1959 8.2 m 25
LITTLE CHEYENNE CK South Dakota Fair 2008 11.3 m 25
CK South Dakota Fair 1940 10.7 m 25
CREEK South Dakota Fair 1931 33.5 m 25
CREEK South Dakota Poor 1950 6.7 m 25
LITTLE MINNESOTA RIVER South Dakota Poor 1967 11.3 m 25
N. FORK WHETSTONE RV South Dakota Poor 1967 10.1 m 25
CREEK South Dakota Poor 1966 8.1 m 25
CREEK South Dakota Good 2024 13.1 m 25
CK South Dakota Fair 1982 9.1 m 25
SNAKE CREEK South Dakota Fair 2006 13.7 m 25
OKOBOJO CK South Dakota Fair 1912 9.3 m 25
OKOBOJO CK South Dakota Fair 1968 11.6 m 25
CK South Dakota Fair 1968 9.4 m 25
OKOBOJO CK South Dakota Fair 1974 15.2 m 25
MEDICINE KNOLL CK South Dakota Good 1995 7.5 m 25
MEDICINE KNOLL CK South Dakota Good 2005 8.7 m 25
CK South Dakota Poor 1961 7.6 m 25
MUD CK South Dakota Fair 1965 6.4 m 25
DRAINAGE DITCH South Dakota Good 2016 19.8 m 25
CK South Dakota Fair 2006 9.0 m 25
VERMILLION RV South Dakota Poor 1985 14.8 m 25
ELCE CK South Dakota Good 1997 7.5 m 25
ELCE CK South Dakota Poor 1950 7.5 m 25
TURKEY RIDGE CK South Dakota Fair 1994 24.4 m 25
LONG CK South Dakota Poor 1987 13.7 m 25
I029 South Dakota Fair 1961 77.4 m 25
BRULE CK South Dakota Good 1989 40.2 m 25
BRULE CK South Dakota Fair 2002 27.4 m 25
CK South Dakota Poor 1935 9.3 m 25
CK South Dakota Fair 2007 12.3 m 25
CK South Dakota Poor 1965 6.8 m 25
EAST UNION CK South Dakota Poor 1950 9.3 m 25
CK South Dakota Poor 1983 12.3 m 25
TRIB. TO CLAY CREEK South Dakota Poor 1940 6.6 m 25
Alkali Creek South Dakota Poor 2008 7.4 m 25
Whitewood Creek South Dakota Poor 2011 18.4 m 25
ROUTE 27 DRAIN CHANNEL South Dakota Good 2023 7.5 m 25
IRON CREEK South Dakota Good 1958 9.2 m 25
IRON CREEK South Dakota Good 1991 7.6 m 25

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.