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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 1925 6.7 m 10
CK South Dakota Poor 1985 9.1 m 10
COTTONWOOD CK South Dakota Good 1978 32.6 m 10
CK South Dakota Good 2024 9.8 m 10
CK South Dakota Poor 1991 10.9 m 10
CK South Dakota Poor 1920 12.2 m 10
COON CK South Dakota Fair 1949 61.3 m 10
WOLF CK South Dakota Poor 1922 7.9 m 10
CK South Dakota Poor 1926 6.7 m 10
CK South Dakota Poor 1928 7.0 m 10
CK South Dakota Poor 1926 7.0 m 10
REE CK South Dakota Poor 1914 12.8 m 10
TURTLE CK South Dakota Fair 1928 10.7 m 10
CK South Dakota Fair 1925 7.0 m 10
TURTLE CK South Dakota Poor 1930 7.9 m 10
CK South Dakota Poor 1930 7.9 m 10
WOLF CK South Dakota Poor 1915 12.5 m 10
WOLF CK South Dakota Poor 1915 12.5 m 10
CK South Dakota Poor 1935 11.6 m 10
WOLF CK South Dakota Poor 1930 11.0 m 10
WOLF CK South Dakota Poor 1910 16.5 m 10
CK South Dakota Fair 1983 7.6 m 10
SOUTH FORK TWELVE MILE C South Dakota Fair 1977 12.3 m 10
FURLONG CREEK South Dakota Good 2000 7.0 m 10
COTTONWOOD CK South Dakota Poor 1940 18.3 m 10
COTTONWOOD CK South Dakota Poor 1935 27.7 m 10
SOUTH FORK BAD RV South Dakota Poor 1940 22.9 m 10
CREEK South Dakota Fair 1935 9.3 m 10
ROCK CK South Dakota Poor 1987 7.3 m 10
SPEARFISH CK South Dakota Good 2021 12.2 m 10
WHITEWOOD CK South Dakota Good 2024 14.6 m 10
CREEK South Dakota Good 2008 6.4 m 10
CREEK South Dakota Poor 1966 9.4 m 10
GROUSE CREEK South Dakota Good 2000 19.8 m 10
CREEK South Dakota Poor 1955 10.1 m 10
MEDICINE CREEK South Dakota Good 2017 19.8 m 10
CK South Dakota Poor 1945 18.3 m 10
CREEK South Dakota Poor 1940 16.2 m 10
BULL CREEK South Dakota Fair 1964 47.2 m 10
CK South Dakota Poor 1950 23.5 m 10
CREEK South Dakota Good 2003 8.5 m 10
W. FORK OF VERMILLION RV South Dakota Fair 1983 15.2 m 10
MORRIS CK South Dakota Good 2020 9.8 m 10
ELK CK South Dakota Fair 1965 20.1 m 10
ALKALI CK South Dakota Fair 1978 12.5 m 10
CK South Dakota Poor 1964 34.1 m 10
ELK CK South Dakota Fair 1950 9.4 m 10
ELK CK South Dakota Fair 1950 23.5 m 10
CK South Dakota Poor 1935 17.4 m 10
ELK CK South Dakota Fair 1995 14.9 m 10

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.