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.

Clear
BridgeLocationConditionYear BuiltLengthADT
INDIAN CREEK Iowa Fair 1988 12.2 m 3,786
FOUR MILE CREEK Iowa Fair 1966 53.6 m 3,785
NATURAL STREAM Iowa Good 1967 90.8 m 3,780
DIVISION CREEK Iowa Fair 1900 8.2 m 3,776
12 MILE CREEK Iowa Good 1956 55.9 m 3,770
DESMOINES RIVER TRIBUTAR Iowa Good 1974 35.1 m 3,755
ENGLISH CREEK Iowa Fair 1983 58.2 m 3,750
US 169 Iowa Fair 1978 53.6 m 3,750
LIZARD CREEK Iowa Good 1968 10.7 m 3,750
DES MOINES RIVER Iowa Fair 1967 72.2 m 3,750
DRY CREEK Iowa Fair 1931 7.0 m 3,750
DRY CREEK Iowa Fair 1956 8.5 m 3,750
I 80 Iowa Fair 1963 73.2 m 3,750
SAGEVILLE DRAINAGE DITCH Iowa Fair 2002 7.6 m 3,736
STREAM Iowa Fair 2000 12.2 m 3,730
WALNUT CREEK Iowa Good 1964 52.1 m 3,730
BRANCH PLATTE RIVER Iowa Fair 1973 6.7 m 3,730
DRAINAGE DITCH Iowa Fair 1971 7.3 m 3,730
WARREN GROVE CREEK Iowa Fair 1971 37.5 m 3,730
SOUTH SKUNK RIVER Iowa Fair 1971 138.7 m 3,730
CHERRY CREEK Iowa Fair 1974 40.6 m 3,730
MAPLE RIVER Iowa Poor 1967 93.0 m 3,720
SMALL NATURAL STREAM Iowa Fair 1959 12.5 m 3,720
ROCK CREEK Iowa Good 1982 51.8 m 3,710
SMALL CREEK Iowa Poor 1886 11.6 m 3,705
DEER CREEK Iowa Good 2010 62.0 m 3,700
STREAM Iowa Good 1983 34.4 m 3,700
US 169 Iowa Fair 1978 53.6 m 3,700
BEAVERDALE RD-X40 Iowa Good 2002 42.1 m 3,700
NORTH FORK LONG CREEK Iowa Good 2001 31.4 m 3,700
BEAVERDALE RD-X40 Iowa Fair 2002 42.1 m 3,700
STREAM Iowa Fair 1956 7.6 m 3,700
WILLOW CREEK Iowa Fair 1957 51.2 m 3,696
EAST NISHNABOTNA RIVER Iowa Fair 1934 65.5 m 3,690
EAST 21ST STREET Iowa Good 2006 27.4 m 3,690
SILVER CREEK Iowa Fair 1971 22.9 m 3,680
DRAINAGE DITCH Iowa Fair 1967 13.4 m 3,674
STREAM Iowa Fair 1967 7.0 m 3,670
EAST BOYER RIVER Iowa Good 1997 34.4 m 3,670
STREAM Iowa Good 1997 8.8 m 3,670
STREAM Iowa Good 1997 6.4 m 3,670
LIZARD CREEK Iowa Fair 1968 28.3 m 3,670
CEDAR RIVER Iowa Fair 1968 154.8 m 3,666
US 75 (LEMARS BYPASS) Iowa Good 2005 74.7 m 3,660
CEDAR RIVER Iowa Good 1987 294.4 m 3,650
S 6TH AVE Iowa Fair 1970 53.6 m 3,650
KEG CREEK Iowa Good 1969 75.0 m 3,650
VACANT LOTS Iowa Good 1991 176.8 m 3,650
KEG CREEK Iowa Fair 1969 75.0 m 3,650
ASH AVE Iowa Good 2006 45.4 m 3,650

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.