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
BOWLING BALL CR Iowa Fair 2003 14.9 m 2,013
DRY CREEK Iowa Poor 1951 17.4 m 2,012
I 80 Iowa Fair 1969 83.8 m 2,011
RELOC. US 34 Iowa Good 1998 71.6 m 2,010
SHELL ROCK RIVER Iowa Good 1992 147.5 m 2,010
TURKEY CREEK Iowa Good 1995 43.3 m 2,010
ENGLISH CREEK Iowa Fair 1987 8.8 m 2,010
US 218 Iowa Fair 2008 73.2 m 2,010
DRAINAGE DITCH Iowa Good 1976 8.2 m 2,010
DITCH #49 Iowa Good 2018 7.6 m 2,010
BEAR CREEK Iowa Good 2023 61.6 m 2,010
ELK RUN CREEK Iowa Good 1983 66.4 m 2,008
DRAINAGE DITCH Iowa Good 2018 11.4 m 2,007
STREAM Iowa Fair 1969 46.3 m 2,000
TURKEY CREEK Iowa Fair 1959 65.2 m 2,000
SMALL STREAM Iowa Fair 1968 6.7 m 2,000
BUCK CREEK Iowa Poor 1969 31.4 m 2,000
LITTLE FLINT RIVER Iowa Poor 1968 25.0 m 2,000
MORMAN BRANCH CREEK Iowa Good 1987 8.8 m 2,000
SMALL STREAM Iowa Poor 1969 31.1 m 2,000
US 30 Iowa Good 1995 67.1 m 1,997
CRANE CREEK Iowa Good 2006 65.2 m 1,990
BUFFALO CREEK Iowa Fair 1960 7.0 m 1,990
FABIUS CREEK Iowa Fair 1974 52.1 m 1,990
NORTH FABIUS CREEK Iowa Fair 1974 7.9 m 1,990
CARTER CREEK Iowa Good 1974 48.5 m 1,990
SOUTH WYACONDA CREEK Iowa Fair 1974 6.7 m 1,990
STREAM Iowa Good 1976 39.3 m 1,990
STREAM Iowa Fair 1969 7.3 m 1,990
I 80 Iowa Fair 1963 76.5 m 1,990
DAVIDS CREEK Iowa Fair 1959 38.7 m 1,987
STREAM Iowa Fair 1976 8.8 m 1,980
BEAVER CREEK Iowa Fair 1966 38.1 m 1,978
ENGLISH CREEK Iowa Good 1987 7.3 m 1,970
LIME CREEK Iowa Fair 1931 18.9 m 1,970
E NISHNABOTNA RIVER Iowa Good 1999 48.8 m 1,970
S. FORK IOWA RIVER Iowa Good 2007 40.5 m 1,970
BATTLE CREEK Iowa Good 1990 49.7 m 1,970
STREAM Iowa Good 2007 7.9 m 1,970
STREAM Iowa Good 2007 6.4 m 1,970
STREAM Iowa Fair 1978 7.6 m 1,970
RAPID CREEK Iowa Fair 1975 46.9 m 1,970
POLLY CREEK Iowa Fair 1950 11.0 m 1,970
WOLF CREEK Iowa Fair 1978 46.9 m 1,968
ROCK CREEK Iowa Fair 1971 12.5 m 1,964
DRAINAGE DITCH Iowa Fair 1929 14.3 m 1,960
WAPSIPINICON RIVER Iowa Fair 1940 131.4 m 1,960
WAPSIPINICON OVERFLOW Iowa Good 1990 42.1 m 1,960
BUCK CREEK Iowa Good 2018 50.8 m 1,960
FORK LITTLE SIOUX RIVER Iowa Fair 1952 13.4 m 1,960

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.