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
SMALL STREAM Iowa Good 2019 8.3 m 638
CLOIE BRANCH Iowa Good 2011 7.3 m 638
CLOIE BRANCH Iowa Good 2020 31.4 m 638
BRUSHY FORK CREEK Iowa Good 1990 27.7 m 638
STREAM Iowa Good 1998 6.4 m 638
BRUSHY FORK CREEK Iowa Fair 1968 21.9 m 638
STREAM Iowa Poor 1966 13.1 m 638
I-80 Iowa Fair 1959 73.2 m 638
US 218 Iowa Good 1983 124.7 m 630
PRAIRIE CREEK Iowa Fair 1971 31.1 m 630
SMALL STREAM Iowa Fair 1998 54.0 m 630
DRAINAGE DITCH Iowa Fair 1957 8.2 m 630
SOUTH SKUNK RIVER Iowa Fair 1989 146.9 m 630
STREAM Iowa Fair 1957 12.2 m 630
SUGAR CREEK Iowa Fair 1989 29.9 m 630
MILL CREEK Iowa Fair 1992 61.0 m 630
MOSER CREEK Iowa Fair 1961 55.8 m 630
CREEK Iowa Fair 1985 6.4 m 630
LONG CREEK Iowa Fair 1987 54.0 m 630
BIG BEAR CREEK Iowa Good 1998 54.6 m 630
BEERS CREEK Iowa Good 2018 39.8 m 629
HEATHER BRANCH Iowa Poor 1973 7.0 m 628
MINK CREEK Iowa Fair 1961 39.0 m 628
KETTLE CREEK Iowa Good 1969 30.5 m 628
MINK CREEK Iowa Fair 1961 38.1 m 628
MOSQUITO CREEK Iowa Good 2022 9.8 m 628
MINK CREEK Iowa Fair 1961 45.7 m 628
DRAINAGE Iowa Poor 1973 10.1 m 628
MUNNS CREEK Iowa Fair 1994 8.8 m 628
MINNIE BROOK Iowa Good 1979 31.4 m 628
US 63 Iowa Good 2002 82.0 m 628
BIG WHISKEY CREEK Iowa Good 2006 34.1 m 628
WHISKEY CREEK Iowa Poor 1967 31.4 m 628
STEPHENS CREEK Iowa Poor 1960 31.1 m 628
MINK CREEK Iowa Fair 1961 45.7 m 628
SMALL Iowa Fair 1900 31.1 m 628
MUDDY CREEK Iowa Poor 1967 7.9 m 628
DD #57 Iowa Good 2007 7.9 m 628
E FORK DES MOINES RIVER Iowa Fair 1971 77.5 m 628
NORTH SKUNK RIVER Iowa Fair 1965 7.9 m 628
CALMUS CREEK Iowa Fair 1981 11.9 m 628
OVER BNSF RR Iowa Good 1990 38.1 m 627
LONG CREEK Iowa Fair 1957 77.1 m 627
SMALL STREAM Iowa Poor 1967 23.8 m 627
SOLDIER RIVER Iowa Good 1957 55.5 m 627
RUSH CREEK Iowa Good 2021 54.6 m 627
GRAND RIVER Iowa Fair 1956 92.1 m 627
WOLF CREEK Iowa Fair 1999 45.1 m 625
DM RIVER Iowa Good 2010 347.2 m 620
NORWAY CREEK Iowa Fair 1959 52.1 m 620

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.