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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 1935 6.3 m 2,034
CK South Dakota Fair 1935 6.3 m 2,034
CK South Dakota Fair 1935 6.3 m 2,034
SIX MILE CK South Dakota Fair 1967 36.3 m 2,023
SIX MILE CK South Dakota Fair 1970 36.3 m 2,023
MAPLE RV South Dakota Good 2015 45.9 m 2,022
CHEYENNE RV South Dakota Fair 2010 191.4 m 2,020
I090 South Dakota Good 1993 75.0 m 2,020
BOX ELDER CK South Dakota Good 1972 33.8 m 2,013
CK South Dakota Good 1985 30.3 m 2,004
HIGGINS GULCH South Dakota Fair 1940 6.7 m 2,000
SPEARFISH CK South Dakota Good 1971 52.7 m 2,000
MILLER CK South Dakota Poor 1934 7.3 m 2,000
I029 South Dakota Fair 1993 72.2 m 1,999
WEST BRULE CK South Dakota Good 2024 17.3 m 1,994
BR EAST BRULE CK South Dakota Good 2024 8.6 m 1,994
GRIZZLY BEAR CK South Dakota Good 1973 11.3 m 1,993
CK South Dakota Fair 1976 9.4 m 1,988
JIM CK South Dakota Good 2024 6.3 m 1,981
DEER CK South Dakota Good 2024 11.0 m 1,981
BEAVER CK South Dakota Good 1987 7.5 m 1,980
FRENCH CK South Dakota Good 1964 6.3 m 1,978
FRENCH CK South Dakota Fair 1964 27.4 m 1,978
FRENCH CK South Dakota Good 1964 6.3 m 1,978
FRENCH CK South Dakota Fair 1964 27.4 m 1,978
WEST FORK VERMILLION RV South Dakota Good 1982 34.3 m 1,973
PIPESTONE CK South Dakota Fair 1963 63.7 m 1,968
CK South Dakota Fair 1963 12.6 m 1,968
BLUE BLANKET CK South Dakota Fair 1964 6.3 m 1,963
TRIB N FORK YELLOW BANK South Dakota Good 2022 6.3 m 1,961
CK South Dakota Fair 1965 6.2 m 1,955
PEARL CK OVERFLOW South Dakota Fair 1965 8.8 m 1,955
PEARL CK South Dakota Fair 1965 28.4 m 1,955
CK South Dakota Fair 1965 6.2 m 1,955
MIDDLE PEARL CK South Dakota Fair 1965 30.3 m 1,955
RAPID CK South Dakota Fair 1978 15.2 m 1,947
SOUTH CANAL South Dakota Fair 1954 9.6 m 1,935
COTTONWOOD CK South Dakota Good 2021 10.9 m 1,935
BEAR BUTTE CK South Dakota Good 1975 71.1 m 1,935
SPRING CK South Dakota Fair 1954 46.3 m 1,935
COTTONWOOD CK South Dakota Fair 1954 28.3 m 1,935
COTTONWOOD CK South Dakota Fair 1954 35.7 m 1,935
NORTH MEDICINE CK South Dakota Good 1985 34.3 m 1,914
SOUTH MEDICINE CK South Dakota Fair 1951 40.7 m 1,914
SOUTH FORK WHETSTONE RV South Dakota Fair 1982 32.4 m 1,910
WILLOW CREEK South Dakota Poor 1990 13.1 m 1,904
BOX ELDER CK South Dakota Good 2003 11.8 m 1,895
BNSF RR South Dakota Fair 1998 74.8 m 1,891
CK South Dakota Good 2009 10.9 m 1,888
I029 South Dakota Fair 1963 77.4 m 1,888

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.