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
RAMP F OVER I-380 Iowa Good 1975 113.4 m 7,600
GOOSE CREEK Iowa Fair 1984 43.3 m 7,600
BURCHAM CREEK Iowa Fair 1967 35.7 m 7,600
NE 3RD ST Iowa Good 2000 37.5 m 7,600
OLD SOLDIER RIVER DITCH Iowa Fair 1967 31.1 m 7,600
US 30 & 151 Iowa Fair 1975 157.6 m 7,600
STREAM Iowa Fair 1931 6.7 m 7,600
I-80 Iowa Good 1992 95.4 m 7,600
UP RR & K-45 Iowa Fair 1967 138.7 m 7,600
UP RR & K-45 Iowa Fair 1967 138.7 m 7,600
OLD SOLDIER RIVER DITCH Iowa Fair 1967 31.1 m 7,600
ENGLISH RIVER Iowa Fair 1984 139.9 m 7,600
QUARRY HAUL RD Iowa Good 2010 37.5 m 7,579
CEDAR RIVER & IA NORTH R Iowa Good 1995 872.0 m 7,550
18TH ST Iowa Good 1994 65.5 m 7,550
WATERLOO RD Iowa Good 1995 65.5 m 7,550
GRAND RIVER Iowa Fair 1970 111.3 m 7,550
BIG SIOUX RIVER Iowa Fair 1976 125.9 m 7,542
RRS N 10TH AND N 13TH Iowa Fair 2006 393.2 m 7,534
FOUR MILE CREEK Iowa Good 1991 46.9 m 7,530
STREAM Iowa Good 2020 21.6 m 7,500
Bur Jun RR AND CITY STS Iowa Fair 1971 161.2 m 7,500
US 30 Iowa Fair 1967 67.7 m 7,500
CITY ST ROW Iowa Good 1979 16.8 m 7,500
E FORK DES MOINES RIVER Iowa Good 2008 111.9 m 7,500
STREAM Iowa Fair 1948 8.5 m 7,500
MISSISSIPPI RIVER Iowa Fair 1994 691.9 m 7,500
UP RR Iowa Good 2001 54.6 m 7,500
J ST SW Iowa Fair 1975 68.0 m 7,500
STREAM Iowa Good 2020 30.7 m 7,500
VIADUCT(RR & STREETS) Iowa Poor 1976 807.4 m 7,488
TIMBER CREEK Iowa Good 1995 58.5 m 7,450
STREAM Iowa Fair 1926 7.9 m 7,450
ENGLISH RIVER Iowa Good 1994 139.6 m 7,450
MUD CREEK Iowa Good 1963 47.5 m 7,450
STREAM Iowa Good 2019 21.6 m 7,450
GOOSE CREEK Iowa Good 1994 43.3 m 7,450
MUD CREEK Iowa Fair 1963 46.6 m 7,450
DAVIS CREEK Iowa Good 1994 40.5 m 7,450
STREAM Iowa Good 1926 7.9 m 7,450
CITY ST R.O.W Iowa Fair 1979 95.4 m 7,400
I 80 Iowa Fair 1967 77.8 m 7,350
I 80 Iowa Fair 1967 77.7 m 7,350
WAPSIPINICON RIVER Iowa Fair 1964 131.4 m 7,350
OVER UP RR Iowa Good 1986 54.9 m 7,350
WEST BOYER RIVER Iowa Fair 1985 66.1 m 7,347
INDIAN CREEK Iowa Fair 1980 53.6 m 7,347
DRAINAGE DITCH Iowa Fair 1967 28.0 m 7,300
MORGAN CREEK Iowa Fair 1955 37.2 m 7,300
DRAINAGE DITCH Iowa Fair 1967 28.0 m 7,300

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.