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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 Fair 1947 6.3 m 2,265
NORTH BR DRY CK South Dakota Good 2000 7.5 m 2,259
DRAINAGE DITCH South Dakota Good 2000 6.3 m 2,259
SOUTH BR DRY CK South Dakota Good 2000 6.3 m 2,259
LAKE ALBERT OUTLET South Dakota Fair 1991 11.3 m 2,258
CK South Dakota Fair 1975 7.1 m 2,255
JAMES RIVER South Dakota Fair 1952 130.0 m 2,250
DRAW South Dakota Fair 1964 44.2 m 2,247
CK South Dakota Fair 1996 11.3 m 2,247
CK South Dakota Fair 1996 8.6 m 2,247
US014 B South Dakota Fair 1970 113.7 m 2,225
WEST BR SIX MILE CK South Dakota Fair 1967 30.3 m 2,225
WEST BR SIX MILE CK South Dakota Fair 1970 30.3 m 2,225
HOMESTAKE FLUME South Dakota Fair 1967 12.1 m 2,212
SPEARFISH CK South Dakota Fair 1979 32.3 m 2,212
CK South Dakota Good 1994 6.4 m 2,212
BURLINGTON NORTHERN RR South Dakota Good 2013 64.9 m 2,192
N FORK WHETSTONE CK South Dakota Fair 2013 19.2 m 2,192
LONG CK South Dakota Fair 1968 26.5 m 2,187
CK South Dakota Fair 1971 8.8 m 2,183
CAIN CK South Dakota Good 2019 6.9 m 2,183
TURKEY CK South Dakota Good 2023 12.7 m 2,177
WEST FORK VERMILLION RV South Dakota Good 1987 29.3 m 2,168
CK South Dakota Fair 1994 7.6 m 2,166
CK South Dakota Fair 1991 8.0 m 2,166
SNAKE CK South Dakota Fair 1978 56.8 m 2,141
TURTLE CK South Dakota Fair 1963 50.1 m 2,141
WHITE CLAY CK South Dakota Good 2011 23.2 m 2,131
TRIB. TO WHITE CLAY CK South Dakota Good 2011 6.3 m 2,131
TRIB. TO WHITE CLAY CK South Dakota Good 2011 6.9 m 2,131
CK South Dakota Good 2011 6.9 m 2,131
WHITE CLAY CK South Dakota Fair 2011 25.4 m 2,131
BIG SIOUX RIVER South Dakota Fair 1978 176.8 m 2,130
BURLINGTON NORTHERN RR South Dakota Good 1969 47.9 m 2,111
CK South Dakota Good 1969 7.6 m 2,111
BEAVER CK South Dakota Good 1992 19.0 m 2,087
DIVERSION DITCH South Dakota Fair 1966 20.4 m 2,082
TURTLE CK South Dakota Fair 1996 9.5 m 2,073
BURLINGTON NORTHERN RR South Dakota Fair 1957 63.7 m 2,071
MISSOURI RV (OAHE LK) South Dakota Fair 1959 1,541.8 m 2,071
MOCCASIN CREEK South Dakota Poor 1974 19.2 m 2,069
BNSF RR South Dakota Good 2006 88.5 m 2,068
SAND CK South Dakota Fair 1973 34.3 m 2,052
MIDDLE BOX ELDER CK South Dakota Good 1995 8.6 m 2,050
SPRING CK South Dakota Fair 1972 21.3 m 2,048
SLIP-UP CREEK South Dakota Fair 1964 32.3 m 2,043
CK South Dakota Good 1935 6.3 m 2,034
CK South Dakota Good 1935 7.7 m 2,034
CK South Dakota Fair 1935 6.3 m 2,034
CK South Dakota Fair 1935 6.3 m 2,034

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.