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
FLOOD PLAIN OF WAPSI R Iowa Fair 1985 48.8 m 432
WAPSIPINICON RIVER Iowa Fair 1985 125.3 m 432
WHARAM CREEK Iowa Fair 1983 10.7 m 432
WINNEBAGO RIVER Iowa Fair 1984 68.6 m 432
LITTLE TURKEY RIVER Iowa Good 1976 77.6 m 432
CREEK Iowa Fair 1963 11.9 m 432
US 52 Iowa Good 2018 74.7 m 432
BUFFALO CREEK Iowa Good 2004 38.1 m 432
TRIB TO MILLER CREEK Iowa Fair 1971 7.6 m 432
RAVEN CREEK Iowa Fair 1981 39.0 m 432
BRANCH SALT CREEK Iowa Poor 1970 39.0 m 432
COULEE CREEK Iowa Fair 1925 8.2 m 432
CREEK Iowa Fair 1926 6.7 m 432
MILL CREEK Iowa Fair 1957 51.8 m 432
TRIB TO MILLER CREEK Iowa Good 1989 7.6 m 432
MAQUOKETA RIVER Iowa Fair 1964 173.7 m 430
ROCK CREEK Iowa Poor 1985 31.4 m 430
LUX CREEK Iowa Fair 1961 38.1 m 430
SPRING CREEK Iowa Poor 1959 23.8 m 430
CREEK Iowa Fair 1985 9.4 m 430
DES MOINES RIVER Iowa Fair 1985 292.9 m 430
BLUEBIRD CREEK Iowa Good 2023 10.7 m 430
S SKUNK RIVER Iowa Poor 1967 106.7 m 430
CROOKED CREEK Iowa Good 2000 58.5 m 430
W FORK CEDAR RIVER Iowa Good 2015 40.5 m 430
BR W FORK CEDAR RIVER Iowa Good 2000 11.6 m 430
BOONE RIVER Iowa Fair 1973 118.9 m 429
POWELL CREEK Iowa Fair 1972 9.4 m 429
DRAINAGE DITCH NO 96 Iowa Fair 1976 23.8 m 429
WEST BRANCH IA RIVER Iowa Fair 1976 46.3 m 429
CREEK Iowa Fair 1959 9.4 m 429
ALDRICH CREEK Iowa Fair 1969 7.6 m 429
ALDRICH CREEK Iowa Fair 1987 8.5 m 429
SMALL CREEK Iowa Poor 1900 6.4 m 429
DEER CREEK Iowa Good 2003 35.4 m 429
STREAM Iowa Fair 1979 7.0 m 429
EAST BR INDIAN CREEK Iowa Fair 1962 17.4 m 429
LIZARD CK DD #54 Iowa Poor 1964 17.4 m 429
WEST FORK LITTLE SIOUX Iowa Poor 1955 65.2 m 429
STREAM Iowa Good 2020 31.4 m 429
MAPLE RIVER Iowa Fair 1985 98.8 m 429
NO NAME CREEK Iowa Good 2017 20.6 m 429
RAINES BRANCH Iowa Fair 1951 47.2 m 428
WEST CREEK Iowa Fair 1971 38.1 m 428
FROG CREEK Iowa Fair 1920 9.1 m 428
CREEK Iowa Good 2003 7.6 m 428
WILLOW CREEK Iowa Fair 2004 38.1 m 428
INDIAN CREEK Iowa Good 1994 43.0 m 428
MIDDLE RACOON Iowa Fair 1951 55.5 m 428
SILVER CREEK Iowa Fair 1962 76.8 m 428

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.