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
LYON CREEK Iowa Fair 1970 58.5 m 3,240
ST JOSEPHS CREEK Iowa Good 1979 6.4 m 3,240
OVER BNSF RR Iowa Fair 1978 68.9 m 3,240
OLD DES MOINES RIVER CHL Iowa Good 1978 59.7 m 3,240
DES MOINES RIVER Iowa Fair 1978 174.3 m 3,240
LITTLE SIOUX RIVER Iowa Fair 1960 98.8 m 3,230
MILLER CREEK Iowa Fair 1965 9.8 m 3,230
OVER ABANDON RR Iowa Fair 1970 65.5 m 3,230
BLACK HAWK CREEK Iowa Poor 1931 54.6 m 3,230
ENGLISH CREEK Iowa Good 1993 55.8 m 3,230
BACON CREEK Iowa Fair 1994 24.1 m 3,223
WEST PIGEON CREEK Iowa Good 1996 8.8 m 3,221
GINGER CREEK Iowa Fair 1996 7.0 m 3,221
RP IA 12 TO IA 376 & BNS Iowa Fair 1967 93.3 m 3,220
PANTHER CREEK Iowa Good 1981 28.3 m 3,220
COAL CREEK Iowa Fair 1964 46.9 m 3,220
DRAINAGE DITCH Iowa Fair 1985 11.3 m 3,220
BLOODY RUN CREEK Iowa Fair 1985 31.4 m 3,220
TRULNER CREEK Iowa Fair 1995 46.9 m 3,220
LOTTS CREEK Iowa Fair 1985 49.7 m 3,220
BRANCH LOTTS CREEK Iowa Fair 1985 10.7 m 3,220
BRANCH LOTTS CREEK Iowa Good 1985 6.7 m 3,220
SOAP CREEK & BNSF RR Iowa Fair 1974 143.6 m 3,220
U.S. 61 Iowa Fair 1996 86.3 m 3,211
DRAINAGE DITCH Iowa Fair 1957 12.0 m 3,210
IOWA RIVER Iowa Fair 1933 65.8 m 3,210
I-80 Iowa Fair 1960 66.4 m 3,210
CHESLEA CREEK Iowa Fair 1962 12.8 m 3,207
WALNUT CREEK Iowa Fair 1988 76.5 m 3,203
US 20 Iowa Good 1984 81.7 m 3,202
DRAINAGE Iowa Good 1996 8.8 m 3,201
STREAM Iowa Fair 1932 8.2 m 3,200
WINNEBAGO RIVER Iowa Fair 1966 43.6 m 3,200
WILLOW CREEK Iowa Fair 1968 40.2 m 3,200
US 30 & US 61 Iowa Fair 1975 86.9 m 3,200
STREAM Iowa Good 2004 10.0 m 3,200
SOUTH RACCOON RIVER Iowa Good 1983 50.9 m 3,200
BRUSHY CREEK Iowa Fair 1972 50.9 m 3,200
MIDDLE RACCOON RIVER Iowa Fair 1972 93.3 m 3,200
FLOYD RIVER TRIBUTARY Iowa Fair 1932 18.9 m 3,200
N BRANCH TURKEY RIVER Iowa Good 2023 30.7 m 3,200
CATFISH CREEK Iowa Good 2019 191.7 m 3,200
OVER UP RR & STREET Iowa Poor 1937 201.2 m 3,200
CEDAR RIVER Iowa Good 1989 187.5 m 3,197
HINKLE CREEK Iowa Poor 1973 31.4 m 3,197
WAPSIPINICON RIVER Iowa Fair 1952 98.5 m 3,187
INDIAN CREEK Iowa Fair 1937 7.9 m 3,184
US 218 & IA 27 Iowa Good 2015 88.4 m 3,182
DRAINAGE DITCH Iowa Good 2015 6.7 m 3,180
FLASHER CREEK Iowa Fair 1965 35.4 m 3,180

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.