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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
I090 South Dakota Fair 1974 93.6 m 1,154
SLIP-UP CREEK South Dakota Good 2013 16.5 m 1,152
BIG BUFFALO CK South Dakota Fair 1952 35.7 m 1,145
SPRING LK South Dakota Good 1986 9.5 m 1,145
CK South Dakota Good 1947 7.6 m 1,142
DE BELL CK South Dakota Fair 1988 19.2 m 1,139
EAST COTTONWOOD CK South Dakota Fair 1988 9.7 m 1,139
WEST COTTONWOOD CK South Dakota Fair 1988 6.3 m 1,139
CK South Dakota Fair 1965 8.1 m 1,139
MORRIS CK South Dakota Good 1963 9.4 m 1,137
SKUNK CK South Dakota Poor 1953 28.0 m 1,135
TRIB BOX ELDER CK South Dakota Fair 1924 10.4 m 1,134
BEAR CK South Dakota Fair 1954 39.2 m 1,130
STINKING WATER CK South Dakota Fair 1948 9.5 m 1,130
STINKING WATER CK South Dakota Good 2003 9.5 m 1,130
STINKING WATER CK South Dakota Good 2003 11.0 m 1,130
FOOT CREEK South Dakota Good 1990 23.4 m 1,128
HAY CK South Dakota Fair 1956 50.0 m 1,127
HAY CK South Dakota Fair 1956 60.2 m 1,127
BATTLE CK South Dakota Fair 1974 50.3 m 1,123
BATTLE CK South Dakota Fair 1974 40.5 m 1,123
BATTLE CK South Dakota Fair 1974 31.9 m 1,123
LAKE TRAVRSE OVERFLW DIV South Dakota Fair 1945 9.0 m 1,120
CK South Dakota Fair 1933 6.1 m 1,120
DRY RUN CK South Dakota Fair 1962 6.3 m 1,118
CHEYENNE RV South Dakota Fair 1958 242.0 m 1,118
SLIP-UP CREEK South Dakota Good 2013 12.7 m 1,116
FIRESTEEL CK South Dakota Good 1959 46.2 m 1,104
BRANCH OF FIRESTEEL CK South Dakota Good 1959 9.4 m 1,104
SPEARFISH CK South Dakota Fair 1964 20.5 m 1,102
SPLIT ROCK CREEK South Dakota Fair 1964 87.1 m 1,102
BIG SIOUX RV South Dakota Fair 1957 77.3 m 1,096
LITTLE WHITE RIVER South Dakota Good 2016 30.5 m 1,096
SPRING CK South Dakota Good 2006 37.3 m 1,095
MCCLAREM LK OUTLET South Dakota Good 2006 7.5 m 1,095
CK South Dakota Good 2006 8.7 m 1,095
DEEP BANK CK South Dakota Fair 1965 55.5 m 1,091
BR SNAKE CK South Dakota Fair 1965 6.5 m 1,091
SNAKE CK South Dakota Fair 1966 43.7 m 1,091
CK South Dakota Good 1926 6.3 m 1,089
MARNE CK South Dakota Good 2018 15.4 m 1,089
BEAR CK South Dakota Fair 1955 22.4 m 1,083
SKUNK CK South Dakota Good 1989 50.3 m 1,082
BIG NASTY CK South Dakota Fair 1960 35.7 m 1,075
CROOKED CK South Dakota Fair 1973 40.2 m 1,075
BIG SIOUX RV South Dakota Fair 1964 89.9 m 1,073
SPRING CK South Dakota Fair 1963 30.3 m 1,073
SPRING CK South Dakota Fair 1963 42.1 m 1,073
BIG SIOUX RV South Dakota Fair 1964 132.9 m 1,073
SPRING CK South Dakota Fair 1963 36.4 m 1,073

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.