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
CREEK Iowa Good 2023 8.8 m 300
CREEK Iowa Fair 1935 7.6 m 300
MIDDLE RIVER Iowa Poor 1958 76.8 m 300
OVER BNSF RR Iowa Fair 1966 53.6 m 300
W NODAWAY Iowa Poor 1939 54.9 m 300
WEST NODAWAY Iowa Good 2017 89.0 m 300
INDIAN CREEK Iowa Good 2020 75.0 m 300
CLEAR CREEK Iowa Good 2022 66.1 m 300
DD #8 Iowa Good 2017 7.9 m 300
SMALL STREAM Iowa Fair 1988 7.6 m 300
TURKEY CREEK Iowa Fair 1963 23.8 m 300
DD Iowa Fair 1965 23.8 m 300
SNAKE CREEK Iowa Good 2021 8.2 m 300
DD 261 Iowa Poor 1963 7.9 m 300
W FORK W NISH RIVER Iowa Good 1994 87.5 m 300
READING CREEK Iowa Fair 1952 25.0 m 300
EF DES MOINES RIVER Iowa Poor 1957 31.1 m 300
WEST BEAVER CREEK Iowa Poor 1921 7.9 m 300
MIDDLE CREEK Iowa Fair 1971 38.7 m 300
SMALL STREAM Iowa Fair 1979 7.6 m 300
LITTLE SOAP CREEK Iowa Good 2011 37.8 m 300
IA 60 Iowa Good 2003 97.5 m 300
WEST TARKIO CREEK Iowa Fair 1979 99.1 m 300
INDIAN CR Iowa Poor 1890 32.0 m 299
MORGAN CREEK Iowa Good 1992 34.1 m 295
CROW CREEK Iowa Good 1992 21.5 m 295
OTTER CREEK Iowa Fair 1997 39.3 m 295
BEEDS CREEK Iowa Poor 1965 9.4 m 295
CROW CREEK Iowa Poor 1975 18.9 m 295
WATERLOO CREEK Iowa Fair 1983 53.6 m 295
SMALL Iowa Fair 1969 6.1 m 295
MAQUOKETA RIVER Iowa Good 1994 58.5 m 295
SMALL STREAM Iowa Good 2016 10.7 m 295
SAND CREEK Iowa Fair 2002 31.4 m 295
STREAM Iowa Good 2018 33.5 m 295
SMALL STREAM Iowa Fair 1978 8.5 m 295
WAPSIPINICON RIVER Iowa Fair 1984 35.4 m 295
SPRING CREEK Iowa Fair 1975 31.4 m 295
SPRING CREEK Iowa Fair 1975 31.4 m 295
SPRING CREEK Iowa Fair 1975 10.4 m 295
VILLAGE CREEK Iowa Good 2003 17.1 m 295
PLUM CREEK Iowa Poor 1950 6.7 m 294
WET CREEK Iowa Poor 1893 20.7 m 294
DRY CREEK Iowa Fair 1997 7.6 m 294
BR MISS RIVER Iowa Poor 1978 13.4 m 294
DD 150-86 Iowa Poor 1964 13.1 m 293
LATERAL #77 DD #23 Iowa Good 1988 33.5 m 293
RED OAK CREEK Iowa Good 2009 18.9 m 292
SMALL STREAM Iowa Good 2005 31.4 m 291
OLD MANS CREEK Iowa Fair 1980 69.8 m 290

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.