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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
SOUTH MIDDLE CREEK Iowa Good 1984 28.3 m 18,500
INDIAN CREEK Iowa Fair 1981 6.7 m 18,500
I-235 Iowa Good 2003 68.0 m 18,478
OVER UP RR Iowa Fair 1966 50.6 m 18,450
INDIAN CREEK Iowa Fair 1980 16.2 m 18,400
I-235 Iowa Good 2000 103.9 m 18,366
WEST 148TH ST SOUTH Iowa Fair 1959 39.2 m 18,350
SOUTH SKUNK RIVER Iowa Fair 1960 118.9 m 18,350
MAD CREEK Iowa Good 1984 68.9 m 18,300
PERRY CREEK Iowa Fair 1971 39.9 m 18,291
I-80 Iowa Fair 1999 82.3 m 18,273
CEDAR RIVER Iowa Good 2010 362.2 m 18,250
STREAM Iowa Fair 1999 8.2 m 18,200
STREAM Iowa Good 1999 6.4 m 18,200
DM RIVER STREETS BNSF RR Iowa Fair 1964 706.8 m 18,200
DRAINAGE DITCH Iowa Good 1972 6.7 m 18,100
GOOSE CREEK Iowa Good 2003 35.4 m 18,050
WEST 148TH STREET SOUTH Iowa Fair 1959 39.3 m 18,050
SOUTH SKUNK RIVER Iowa Fair 1960 118.9 m 18,050
SUGAR CREEK Iowa Fair 1960 30.8 m 18,050
SUGAR CREEK Iowa Poor 1960 30.8 m 18,050
OVER UP RR Iowa Fair 1966 50.6 m 18,000
I-235 Iowa Good 2003 82.3 m 18,000
CLEAR CREEK Iowa Good 2021 99.9 m 18,000
CLEAR CREEK Iowa Good 2022 99.6 m 18,000
PRAIRIE CREEK Iowa Good 1983 7.6 m 17,900
OVER I.C.E. RR Iowa Fair 1970 45.7 m 17,800
JERSEY RD Iowa Fair 1968 40.2 m 17,800
CROW CREEK Iowa Fair 1981 37.5 m 17,750
CROW CREEK Iowa Good 1981 37.5 m 17,750
DRAINAGE DITCH Iowa Fair 1972 8.5 m 17,700
MUD CREEK Iowa Good 1983 10.4 m 17,700
MISS. RIVER HWY & RR Iowa Fair 1943 1,755.6 m 17,700
BIG SIOUX RIVER Iowa Fair 1963 170.7 m 17,650
DD #15 Iowa Good 1981 7.9 m 17,600
DRAINAGE DITCH Iowa Fair 1971 6.7 m 17,600
DRAINAGE DITCH Iowa Fair 1972 6.7 m 17,600
INDIAN CREEK OVERFLOW Iowa Fair 1959 48.1 m 17,550
INDIAN CREEK Iowa Fair 1960 97.5 m 17,550
BIRDLAND DR Iowa Good 2023 37.9 m 17,517
DES MOINES RIVER Iowa Fair 1935 152.4 m 17,517
US 6 (SPRUCE HILLS) Iowa Fair 1971 69.2 m 17,500
TUTTLE CREEK Iowa Fair 1967 7.9 m 17,400
DRAINAGE DITCH Iowa Good 1972 6.4 m 17,300
IAIS RR Iowa Fair 1958 57.0 m 17,300
GOOSE CREEK Iowa Fair 1951 14.6 m 17,300
MILL CREEK Iowa Fair 2000 50.0 m 17,300
CO RD (Z-30) Iowa Fair 1963 46.9 m 17,300
DRY CREEK Iowa Good 2003 36.6 m 17,285
INDIAN CREEK Iowa Fair 1960 97.5 m 17,250

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.