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
PAINT CREEK Iowa Fair 1990 39.0 m 147
LINN CREEK Iowa Good 2007 23.8 m 147
CHESLEA CREEK Iowa Fair 1982 20.7 m 147
SMALL STREAM Iowa Fair 1958 17.7 m 147
MORGAN CREEK Iowa Fair 1993 14.6 m 147
KITTY CREEK Iowa Fair 1960 47.2 m 147
STREAM Iowa Fair 1951 7.6 m 147
BLUE CREEK Iowa Poor 1989 10.9 m 147
CREEK Iowa Fair 1921 7.3 m 147
MINERVA CREEK Iowa Poor 1916 9.4 m 147
WEST FORK BEAVER DAM CR Iowa Fair 1981 11.6 m 147
CREEK Iowa Good 2002 15.5 m 147
MINERVA CREEK Iowa Good 1997 67.1 m 147
CANOE CREEK Iowa Fair 1935 58.2 m 147
LINN CREEK Iowa Fair 1987 35.1 m 147
MINERVA CREEK Iowa Good 1997 34.1 m 147
MIDDLE MINERVA CREEK Iowa Fair 2005 46.6 m 147
ACKLEY CREEK Iowa Good 2011 24.7 m 147
CROOKED CREEK Iowa Fair 1984 38.7 m 145
I-80 Iowa Good 1961 68.9 m 145
CREEK Iowa Poor 1916 9.8 m 145
CHICKEN CREEK Iowa Good 2013 71.0 m 145
STREAM Iowa Fair 1960 13.4 m 145
STREAM Iowa Good 2018 12.2 m 145
UNNAMED CREEK Iowa Fair 2000 8.2 m 145
BR FISH CREEK Iowa Good 1997 39.3 m 145
BRANCH TURKEY RIVER Iowa Good 1980 7.3 m 145
I-80 Iowa Fair 1958 66.8 m 145
CEDAR RIVER Iowa Good 2019 251.8 m 144
DRAINAGE Iowa Poor 1920 9.8 m 144
MIDDLE SOUTH CREEK Iowa Fair 1971 23.5 m 144
SUGAR CREEK Iowa Good 2017 41.1 m 144
DEER CREEK Iowa Good 2022 9.9 m 143
SW BR DRY RUN CREEK Iowa Good 2002 9.7 m 143
W BR DRY RUN CREEK Iowa Good 2018 21.6 m 143
STREAM Iowa Poor 1976 9.8 m 143
CREEK Iowa Good 2002 6.7 m 143
PRAIRIE CREEK Iowa Good 1996 6.1 m 143
BUFFALO CREEK Iowa Poor 1971 39.0 m 143
LITTLE ROCK RIVER Iowa Fair 1982 70.1 m 143
MIDDLE TARKIO CREEK Iowa Good 2024 58.5 m 142
EAST NISHNABOTNA RIVER Iowa Good 2023 139.4 m 142
SKUNK RIVER Iowa Good 2012 124.7 m 142
WAUBONSIE DITCH Iowa Fair 1955 37.2 m 142
FISHER CREEK Iowa Good 2021 21.6 m 142
SMALL STREAM Iowa Good 1997 15.9 m 142
STREAM Iowa Fair 1975 54.6 m 141
SOUTH WEST CREEK Iowa Poor 1960 17.4 m 141
LYONS CREEK Iowa Good 1982 17.7 m 141
DRAINAGE Iowa Good 2006 12.2 m 141

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.