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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
MOSQUITO CREEK & RR Iowa Good 2015 324.6 m 10,000
BLOODY RUN Iowa Good 1999 10.0 m 10,000
STREAM Iowa Good 1998 7.6 m 10,000
LITTLE BEAVER CREEK Iowa Good 2006 110.6 m 10,000
WB EXIT RAMP UNIV. AVE. Iowa Good 2004 285.9 m 10,000
CEDAR RIVER OVERFLOW Iowa Fair 1974 162.5 m 10,000
I-380 Iowa Fair 1971 78.3 m 9,990
MLK PKWY Iowa Fair 2004 42.4 m 9,983
SOUTH RIVER Iowa Good 2011 74.2 m 9,950
ELK CREEK Iowa Fair 1972 39.0 m 9,950
BEAVER CREEK Iowa Good 1974 104.9 m 9,950
DRAINAGE DITCH #2 Iowa Good 2020 19.4 m 9,900
21ST ST & RR Iowa Fair 1968 318.2 m 9,860
OVER UP RR Iowa Good 1998 55.8 m 9,850
I380 SB TO I80 EB RAMP F Iowa Good 2021 53.7 m 9,850
OLD MAN CREEK Iowa Good 1982 81.4 m 9,850
ST MARYS CREEK Iowa Good 2009 37.5 m 9,850
ST MARYS CREEK Iowa Good 2009 37.5 m 9,850
CROOKED CREEK Iowa Fair 1982 38.4 m 9,850
US 69 & BIKE PATH Iowa Fair 1963 65.2 m 9,850
US 20 Iowa Fair 1978 82.3 m 9,850
BIG CREEK Iowa Good 1998 68.6 m 9,850
STREAM Iowa Good 1996 14.0 m 9,800
DME RR Iowa Fair 1958 141.4 m 9,800
MAIN ST Iowa Good 1970 66.1 m 9,800
CEDAR RIVER OVERFLOW Iowa Fair 1974 162.5 m 9,800
RAPID CREEK Iowa Fair 1967 39.0 m 9,800
DME RR & BIKE TRAIL Iowa Good 2020 158.1 m 9,800
DRAINAGE Iowa Good 2003 7.6 m 9,800
CROW CREEK Iowa Fair 1996 42.1 m 9,800
PIGEON CREEK Iowa Fair 1995 7.0 m 9,800
4TH AVE S Iowa Fair 1970 70.1 m 9,800
BLACK HAWK CREEK Iowa Fair 1957 15.9 m 9,800
E. PIGEON CREEK Iowa Good 1995 6.4 m 9,800
LITTLE BEAVER CREEK Iowa Fair 1974 112.5 m 9,800
MOSQUITO CREEK & II RR Iowa Good 2016 324.2 m 9,800
CLEAR CREEK Iowa Good 1984 50.9 m 9,800
HOLLIDAY CREEK Iowa Good 1986 7.3 m 9,800
UP RR Iowa Fair 1958 201.2 m 9,799
WORRELL CREEK Iowa Good 1974 12.2 m 9,754
BEAVER CREEK Iowa Good 2007 106.4 m 9,750
I 880 Iowa Fair 1966 64.0 m 9,750
ELK CREEK Iowa Fair 1972 39.0 m 9,750
LECLAIRE RD Iowa Fair 1981 52.1 m 9,750
I 880 Iowa Fair 1966 64.0 m 9,750
LECLAIRE RD&BIKEPATH Iowa Fair 1981 52.1 m 9,750
STREAM Iowa Good 1970 26.8 m 9,750
OVER CC RR Iowa Poor 1968 64.9 m 9,703
US 34 Iowa Fair 1976 77.1 m 9,700
STREAM Iowa Fair 1963 6.4 m 9,700

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.