Browse Bridge Database

23,716 bridges in the FHWA National Bridge Inventory in Iowa.

National Bridge Inventory Database

Browse 23,716 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

Clear
BridgeLocationConditionYear BuiltLengthADT
LOTTS CREEK Iowa Good 2017 27.6 m 938
ROCK CREEK Iowa Fair 1968 7.6 m 938
SMALL STREAM Iowa Poor 1936 8.8 m 938
BLUE EARTH RIVER Iowa Poor 1924 13.1 m 938
DEEP CREEK Iowa Good 1982 50.9 m 938
INDIAN CREEK Iowa Poor 1969 31.4 m 938
SMALL STREAM Iowa Poor 1980 7.6 m 937
DEER CREEK Iowa Fair 1985 31.4 m 937
STONY CREEK Iowa Fair 1977 23.5 m 934
STONY CREEK Iowa Good 2001 7.6 m 934
BUCK RUN CREEK Iowa Fair 1939 16.9 m 933
YELLOW RIVER Iowa Fair 1970 61.6 m 933
BRANCH YELLOW RIVER Iowa Poor 1999 27.7 m 933
TRIB TO CEDAR RIVER Iowa Good 1974 7.6 m 933
CREEK Iowa Good 2013 7.3 m 933
MID SOUTH CREEK Iowa Fair 1983 6.4 m 932
ALDRICH CREEK Iowa Good 1997 32.9 m 930
MOREHEAD CREEK Iowa Fair 1985 29.9 m 930
BEAVER CREEK Iowa Good 1984 39.0 m 930
WEST ELK CREEK Iowa Fair 1985 44.5 m 930
STREAM Iowa Fair 1978 26.8 m 930
TWIN SPRINGS CREEK Iowa Good 1978 28.3 m 930
CEDAR RIVER OVERFLOW Iowa Fair 1952 73.8 m 930
NO BRANCH ELK CREEK Iowa Good 1984 9.8 m 930
CEDAR RIVER Iowa Good 1971 175.3 m 930
TWO MILE CREEK Iowa Fair 1979 37.5 m 930
STREAM Iowa Fair 1985 7.6 m 930
HORTON CREEK Iowa Good 1987 40.5 m 930
KOKER CREEK Iowa Good 1986 7.6 m 930
STEELE CREEK Iowa Fair 1963 50.0 m 930
CARDINAL CREEK Iowa Fair 1960 8.2 m 930
LITTLE BEAR CREEK Iowa Fair 1952 34.1 m 930
DRAINAGE Iowa Good 2021 21.6 m 928
LITTLE INDIAN CREEK Iowa Poor 1968 7.9 m 928
EAST RIVER Iowa Fair 1990 39.0 m 927
SMALL NATURAL STREAM Iowa Good 2004 6.7 m 927
MIDDLE RACCOON RIVER Iowa Fair 1992 97.8 m 927
MIDDLE PLATTE Iowa Fair 1975 39.0 m 927
EAST PLATTE RIVER Iowa Good 2009 31.4 m 927
OTTER CREEK Iowa Fair 1990 50.9 m 923
SUGAR CREEK Iowa Fair 1963 31.1 m 920
CEDAR CREEK Iowa Fair 1990 123.1 m 920
MAQUOKETA RIVER Iowa Fair 1956 217.6 m 920
BR OF COONS CREEK Iowa Good 1978 17.7 m 920
BR BUFFALO CK Iowa Fair 1978 7.0 m 920
SMITH CREEK Iowa Poor 1928 22.3 m 920
BNSF RR Iowa Good 2019 57.0 m 920
PINCHAM HOLLOW CREEK Iowa Fair 1978 21.6 m 920
CLARK BR OF W NODAWAY R Iowa Good 2010 52.5 m 920
US 34 Iowa Good 2002 179.8 m 920

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.