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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
BELLE FOURCHE RV South Dakota Good 2007 57.6 m 47
CK South Dakota Poor 1950 18.9 m 47
DRY RUN CK South Dakota Poor 1935 15.2 m 47
CK South Dakota Good 2023 13.2 m 47
SOUTH MEDICINE CK South Dakota Fair 1967 7.6 m 47
WEST BRULE CREEK South Dakota Good 1996 7.5 m 47
CEDAR CREEK South Dakota Good 1986 11.4 m 47
TRIB WEST BR SKUNK CK South Dakota Good 1998 6.3 m 47
LITTLE CHEYENNE CK South Dakota Fair 1978 30.5 m 47
LITTLE MINNESOTA RIVER South Dakota Fair 1986 24.4 m 47
BIG PRAIRIE DOG CK South Dakota Good 1992 6.5 m 47
OKOBOJO CK South Dakota Fair 1936 16.2 m 47
WHITE RV South Dakota Fair 1980 121.3 m 47
MUD CREEK South Dakota Fair 1956 56.7 m 46
HORSE CK South Dakota Poor 1937 21.9 m 46
WEST BR SKUNK CK South Dakota Good 2014 18.3 m 46
TRIB TO SPLIT ROCK CK South Dakota Poor 1938 6.3 m 46
WILLOW CK South Dakota Poor 1950 32.6 m 46
FIRE STEEL CREEK South Dakota Good 1987 36.3 m 45
MEDARY CREEK South Dakota Poor 1975 30.8 m 45
CK South Dakota Fair 1959 7.8 m 45
FLYNN DICKERSON DITCH South Dakota Good 2004 6.5 m 45
ENEMY CK South Dakota Fair 1970 9.8 m 45
NORTH BR TWELVE MILE CK South Dakota Good 2001 9.0 m 45
SOUTH FORK TWELVE MILE C South Dakota Fair 1978 14.0 m 45
COBB CK South Dakota Poor 1950 8.6 m 45
CK South Dakota Fair 1984 13.7 m 45
BIG SIOUX RV South Dakota Poor 1958 9.1 m 45
SOUTH FORK WHETSTONE RV South Dakota Good 2006 24.7 m 45
CHEYENNE RV South Dakota Poor 1930 463.3 m 45
MITCHELL CK South Dakota Poor 1955 31.1 m 45
MITCHELL CK South Dakota Fair 1965 27.7 m 45
BIG SIOUX RIVER South Dakota Good 2008 27.3 m 45
CK South Dakota Poor 1982 8.5 m 45
TWELVE MILE CK South Dakota Fair 1965 11.0 m 45
TWELVE MILE CK South Dakota Poor 1982 12.4 m 45
PIERRE CK South Dakota Good 2019 7.6 m 45
LITTLE MISSOURI RV South Dakota Good 2006 6.3 m 45
DRY HOUSE CK South Dakota Good 2003 7.5 m 45
WEST SQUAW CK South Dakota Good 2008 8.7 m 45
MEDICINE KNOLL CK South Dakota Good 2012 38.7 m 45
SOUTH FORK TWELVE MILE C South Dakota Poor 1984 7.8 m 45
SOUTH FORK TWELVE MILE C South Dakota Fair 1989 18.3 m 45
PONY CK South Dakota Good 2011 8.7 m 45
CK South Dakota Fair 1915 9.1 m 45
NORTH BR DRY CK South Dakota Fair 1982 7.4 m 45
SOUTH FORK TWELVE MILE C South Dakota Good 1989 18.4 m 45
COFFEE CK South Dakota Fair 2009 12.1 m 45
SOUTH FORK TWELVE MILE C South Dakota Fair 1974 18.9 m 45
COFFEE CK South Dakota Good 1992 12.6 m 45

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.