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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
CK South Dakota Good 1978 34.5 m 92
NORTH DEER CK South Dakota Poor 1930 12.9 m 92
CK South Dakota Fair 1982 19.6 m 92
NORTH DEER CK South Dakota Good 2000 19.0 m 92
CK South Dakota Good 2000 20.1 m 92
CK South Dakota Fair 1980 15.5 m 92
NORTH DEER CK South Dakota Good 1990 13.4 m 92
SIX MILE CK South Dakota Fair 1930 21.3 m 92
LAKE CAMPBELL OUTLET South Dakota Fair 1968 33.9 m 92
NORTH DEER CK South Dakota Good 1996 15.1 m 92
CK South Dakota Poor 1930 6.7 m 92
BR NORTH DEER CK South Dakota Fair 1979 15.5 m 92
MEDARY CK South Dakota Poor 1910 34.3 m 92
BR OF NORTH DEER CK South Dakota Poor 1940 12.3 m 92
MEDARY CK South Dakota Poor 1930 26.5 m 92
SIX MILE CK South Dakota Good 2007 9.5 m 92
CK South Dakota Good 2001 19.2 m 92
SIX MILE CK South Dakota Poor 1950 10.3 m 92
DEER CK South Dakota Good 1997 9.5 m 92
CK South Dakota Fair 1930 10.1 m 92
SIX MILE CK South Dakota Poor 1940 27.6 m 92
SIX MILE CK South Dakota Good 1999 19.8 m 92
CK South Dakota Fair 2009 9.5 m 92
DEER CK South Dakota Poor 1930 9.4 m 92
MEDARY CK South Dakota Poor 1968 17.5 m 92
CK South Dakota Good 1999 13.8 m 92
MEDARY CK South Dakota Fair 1981 30.8 m 92
SIX MILE CK South Dakota Good 2006 7.5 m 92
CK South Dakota Fair 1977 15.4 m 92
SIX MILE CK South Dakota Good 1989 7.9 m 92
CK South Dakota Poor 1930 9.2 m 92
CK South Dakota Poor 1920 15.5 m 92
DEER CK South Dakota Good 2002 19.8 m 92
MEDARY CK South Dakota Fair 1984 32.3 m 92
CK South Dakota Fair 1940 13.8 m 92
CK South Dakota Poor 1913 13.1 m 92
CK South Dakota Good 1990 6.3 m 92
CK South Dakota Fair 1930 8.0 m 92
MEDARY CK South Dakota Good 1989 15.1 m 92
MEDARY CK South Dakota Good 1999 16.1 m 92
CK South Dakota Good 2009 15.2 m 92
CK South Dakota Good 1990 11.3 m 92
CK South Dakota Poor 1930 6.2 m 92
CK South Dakota Fair 1930 9.7 m 92
CK South Dakota Fair 1985 15.4 m 92
CK South Dakota Fair 1930 7.5 m 92
CK South Dakota Good 1990 6.3 m 92
CK South Dakota Fair 1990 16.1 m 92
CK South Dakota Poor 1941 16.1 m 92
CK South Dakota Poor 1993 12.2 m 92

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.