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.

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BridgeLocationConditionYear BuiltLengthADT
CRABAPPLE CREEK Iowa Poor 1958 31.4 m 199
BUCK CREEK Iowa Fair 1975 7.9 m 199
JORDAN CREEK Iowa Fair 2000 54.6 m 199
MOSQUITO CREEK Iowa Fair 1978 10.1 m 199
TARKIO RIVER Iowa Fair 1975 98.8 m 199
LITTLE BEAVER CREEK Iowa Poor 1926 16.5 m 199
EAST PLATTE RIVER Iowa Poor 1963 31.1 m 199
PIERSON CREEK Iowa Good 2023 39.9 m 199
DRAINAGE Iowa Good 2020 8.8 m 199
SEELEY CREEK Iowa Poor 1968 39.0 m 199
INDIAN CREEK Iowa Fair 1980 7.6 m 199
BACON CREEK Iowa Poor 1900 13.4 m 199
TRIBUTARY TO TROUBLESOME Iowa Fair 1951 8.2 m 199
SMALL STREAM Iowa Fair 1965 8.2 m 199
SIMON RUN Iowa Good 1976 29.3 m 199
SIMON RUN Iowa Good 1976 38.1 m 199
RAT CREEK Iowa Poor 1966 37.8 m 199
DES MOINES RIVER Iowa Good 2002 199.6 m 199
OTTER CREEK Iowa Fair 1975 43.3 m 199
BOYER RIVER Iowa Fair 1984 68.9 m 199
THREE MILE CREEK Iowa Good 2002 7.6 m 199
ROCK CREEK Iowa Poor 1900 6.1 m 199
WILLOW CREEK Iowa Good 2015 28.3 m 199
SOUTH RACOON Iowa Fair 1965 43.6 m 199
WILLOW CREEK Iowa Poor 1924 7.9 m 199
OVERFLOW Iowa Poor 1968 30.5 m 199
MCELHANEY CREEK Iowa Good 1987 39.0 m 199
US 20 Iowa Good 1980 81.4 m 196
ROBERT CREEK Iowa Fair 1946 64.0 m 196
WOLF CREEK BRANCH Iowa Poor 1914 8.2 m 196
BUFFALO CREEK Iowa Good 2003 68.9 m 196
BR UPPER IOWA RIVER Iowa Fair 1952 10.4 m 196
DRAINAGE Iowa Good 1993 14.9 m 196
SMALL CREEK Iowa Fair 1971 7.3 m 196
CREEK Iowa Poor 1929 12.5 m 196
BRANCH WOLF CREEK Iowa Poor 1970 23.5 m 196
BRANCH TWELVE MILE CREEK Iowa Poor 1967 31.1 m 196
VILLAGE CREEK Iowa Good 2015 46.9 m 196
STREAM Iowa Good 2006 7.9 m 196
US 218 Iowa Good 1997 68.6 m 196
TWELVE MILE CREEK Iowa Fair 1981 25.3 m 196
TRIB TO BLACK HAWK CREEK Iowa Good 1982 7.3 m 196
LITTLE CEDAR Iowa Poor 1965 78.6 m 196
BEAR CR Iowa Fair 1948 46.3 m 196
US 20 Iowa Good 2021 68.4 m 196
SHELL ROCK RIVER Iowa Good 2003 53.6 m 196
TRIB TO SPRING CREEK Iowa Good 1985 30.5 m 196
BLACKHAWK CREEK Iowa Good 1976 18.9 m 196
DRAINAGE Iowa Poor 1954 19.8 m 195
KING CREEK Iowa Fair 1968 12.8 m 195

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.