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
SPRUCE CREEK Iowa Fair 1986 70.7 m 3,100
STREAM Iowa Good 1986 6.7 m 3,100
TETE DES MORTS CREEK Iowa Fair 1986 68.6 m 3,100
FLINT CREEK Iowa Good 2020 83.0 m 3,100
BULGERS RUN Iowa Good 2021 8.1 m 3,090
STREAM Iowa Good 1924 7.8 m 3,090
SPENCER CREEK Iowa Good 2010 30.5 m 3,090
DRAINAGE DITCH Iowa Fair 1983 8.8 m 3,090
POWLEY DRAIN DITCH Iowa Fair 1983 22.3 m 3,090
STREAM Iowa Good 2023 22.1 m 3,090
STREAM Iowa Fair 2012 38.3 m 3,090
BOYER RIVER Iowa Fair 1968 86.9 m 3,090
MILL CREEK Iowa Good 2019 36.9 m 3,090
WILLOW CREEK Iowa Good 1981 65.8 m 3,087
DRAINAGE Iowa Good 1970 7.6 m 3,080
BLUEGRASS CREEK Iowa Good 2006 63.7 m 3,080
MOSQUITO CREEK Iowa Fair 1981 40.5 m 3,080
HONEY CREEK Iowa Good 1983 58.2 m 3,080
CITY RESERVOIR INLET Iowa Good 1958 6.4 m 3,080
LITTLE WHITE BREAST CK Iowa Fair 1958 39.3 m 3,080
WAPSI CREEK Iowa Poor 1971 31.4 m 3,080
STREAM Iowa Fair 1928 6.4 m 3,070
DRAINAGE DITCH Iowa Good 1978 6.4 m 3,067
CANADIAN PACIFIC RR Iowa Good 2021 73.5 m 3,057
MUCHINOCK CREEK Iowa Fair 1969 30.5 m 3,055
JACK CREEK Iowa Good 1998 56.7 m 3,050
POTATO CREEK Iowa Good 1966 101.8 m 3,050
CN RR & MERIWEATHER DR Iowa Fair 1959 201.2 m 3,050
SMALL STREAM Iowa Fair 1964 7.6 m 3,050
BNSF RR & CITY STREETS Iowa Fair 1972 207.6 m 3,050
PIGEON CREEK Iowa Fair 1966 81.1 m 3,050
DES MOINES RIVER Iowa Fair 1959 368.5 m 3,050
STREAM Iowa Fair 1928 7.0 m 3,050
SMALL STREAM Iowa Good 2017 24.7 m 3,050
BIG ELKHORN CREEK Iowa Good 1987 9.8 m 3,050
POTATO CREEK Iowa Good 1966 101.8 m 3,050
PIGEON CREEK Iowa Fair 1966 81.1 m 3,050
STREAM Iowa Fair 1963 6.4 m 3,050
US 30 Iowa Good 2001 83.8 m 3,050
DME RR Iowa Good 2007 74.1 m 3,050
JACK CREEK Iowa Good 2000 57.0 m 3,050
US 30 Iowa Good 2006 83.8 m 3,050
ROCK CREEK Iowa Good 1984 7.3 m 3,050
I 80 Iowa Good 2010 112.7 m 3,048
DRY RUN CREEK Iowa Good 2007 51.8 m 3,040
DRAINAGE DITCH Iowa Fair 1944 9.1 m 3,040
SEVEN MILE CREEK Iowa Fair 1971 11.9 m 3,040
FOUR MILE CREEK Iowa Fair 1971 52.1 m 3,040
LITTLE WAP RIVER OVRFLW Iowa Good 2001 34.4 m 3,030
EAST PIGEON CREEK Iowa Fair 1982 7.6 m 3,030

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.