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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
SD248 P South Dakota Fair 1968 36.3 m 3,435
COMMUNITY WELL RD South Dakota Good 1968 32.3 m 3,435
COMMUNITY WELL RD South Dakota Good 1968 32.3 m 3,435
INDIAN CK RD South Dakota Fair 1968 32.3 m 3,435
SD248 P South Dakota Fair 1968 36.3 m 3,435
BIG SIOUX RV South Dakota Fair 1977 131.1 m 3,385
CK South Dakota Good 2000 6.2 m 3,375
LAKE KAMPESKA OUTLET South Dakota Fair 1958 56.7 m 3,365
SPRING CK South Dakota Good 1973 25.9 m 3,365
WHETSTONE RV South Dakota Good 2003 46.6 m 3,334
PREACHERS RUN CK South Dakota Fair 1974 22.4 m 3,329
BURLINGTON NORTHERN RR South Dakota Fair 1970 76.0 m 3,329
ASH CK South Dakota Good 2020 8.7 m 3,303
BLIND CK South Dakota Good 2020 11.4 m 3,303
I229 South Dakota Good 2023 101.3 m 3,300
BACHELOR CK South Dakota Good 1993 8.0 m 3,297
SD063 South Dakota Fair 1968 36.3 m 3,286
SD063 South Dakota Good 1968 36.3 m 3,286
TRIB. TO BEAVER CREEK South Dakota Fair 1947 7.6 m 3,277
BEAVER CREEK South Dakota Fair 1948 9.6 m 3,277
264 AVE South Dakota Fair 1969 32.3 m 3,276
264 AVE South Dakota Fair 1969 32.3 m 3,276
R&W RR South Dakota Fair 1969 44.9 m 3,276
262 AVE South Dakota Fair 1969 37.8 m 3,276
I029 South Dakota Fair 1961 89.4 m 3,276
262 AVE South Dakota Good 1969 37.8 m 3,276
R&W RR South Dakota Good 1969 44.9 m 3,276
CK South Dakota Good 2011 10.0 m 3,274
CHEYENNE CK South Dakota Good 2020 8.2 m 3,274
TRIB TO WILLOW CK South Dakota Fair 1954 9.7 m 3,273
FOOT CK South Dakota Fair 1970 39.2 m 3,252
FOOT CK South Dakota Fair 1970 39.2 m 3,252
259 AVE South Dakota Fair 1969 36.3 m 3,250
259 AVE South Dakota Fair 1969 36.3 m 3,250
SOUTH FORK TWELVE MILE C South Dakota Good 2000 10.5 m 3,234
STAMFORD RD South Dakota Fair 1968 37.8 m 3,232
STAMFORD RD South Dakota Good 1968 37.8 m 3,232
SD063 South Dakota Fair 1968 36.3 m 3,227
PERAULT RD South Dakota Good 2008 44.3 m 3,227
BRAVE BULL RD South Dakota Fair 1968 24.4 m 3,227
SD063 South Dakota Fair 1968 36.3 m 3,227
PERAULT RD South Dakota Good 2007 44.3 m 3,227
BRAVE BULL RD South Dakota Fair 1968 24.4 m 3,227
SIX MILE CK South Dakota Good 1987 30.3 m 3,213
EAST BR SIX MILE CK South Dakota Fair 1968 20.4 m 3,213
CK South Dakota Good 2008 16.1 m 3,200
MADISON CK South Dakota Fair 1993 11.6 m 3,190
TRIB TO BEAVER CK South Dakota Good 1988 11.4 m 3,139
AMERICAN CK South Dakota Good 1999 85.6 m 3,113
SD050 L South Dakota Fair 1977 100.9 m 3,094

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.