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
JORDAN CREEK Iowa Fair 1967 25.0 m 4,381
MITCHELL CREEK Iowa Good 2009 46.9 m 4,360
CRANE CREEK Iowa Fair 1971 67.4 m 4,360
BNSF RR Iowa Fair 1968 144.2 m 4,350
DES MOINES RIVER Iowa Fair 1963 220.7 m 4,350
IA 136 Iowa Good 2002 41.8 m 4,350
CHURCH STREET Iowa Fair 1966 48.2 m 4,350
CHURCH STREET Iowa Fair 1966 48.2 m 4,350
150TH ST Iowa Good 2001 35.9 m 4,350
BARDELL STREET Iowa Fair 1966 49.4 m 4,350
IA 136 Iowa Good 1995 59.7 m 4,350
IA 136 Iowa Good 1995 59.7 m 4,350
BARDELL STREET Iowa Fair 1966 49.4 m 4,350
IAIS RR Iowa Good 2014 54.0 m 4,330
BEE BRANCH Iowa Good 2009 6.1 m 4,322
MIDDLE CREEK Iowa Fair 1961 38.7 m 4,320
I 80 Iowa Fair 1962 68.9 m 4,310
W FORK LITTLE SIOUX RVR Iowa Poor 1929 20.4 m 4,310
LITTLE SIOUX RIVER Iowa Good 1971 37.5 m 4,310
COAL CREEK Iowa Good 1997 93.3 m 4,300
DES MOINES RIVER Iowa Fair 1990 206.0 m 4,300
BEAVER CREEK Iowa Good 1997 69.8 m 4,300
STREAM Iowa Fair 1936 19.1 m 4,300
KITTY CREEK Iowa Fair 2002 52.1 m 4,300
KITTY CREEK Iowa Good 2002 52.1 m 4,300
COAL CREEK Iowa Fair 1966 75.0 m 4,300
SOUTH RIVER Iowa Good 2000 118.3 m 4,300
I-35 Iowa Good 2009 74.7 m 4,300
I-35 Iowa Good 2010 74.7 m 4,300
OVER CC RR Iowa Fair 1967 114.1 m 4,300
BOYER RIVER Iowa Fair 1967 88.7 m 4,300
BEAVER CREEK Iowa Fair 1978 69.8 m 4,300
LITTLE BEAVER CREEK Iowa Fair 1983 37.5 m 4,300
SOUTH RIVER Iowa Fair 1966 119.2 m 4,300
DES MOINES RIVER Iowa Fair 1990 206.0 m 4,300
DOUGLAS CREEK Iowa Fair 1964 53.0 m 4,290
PLUM CREEK Iowa Good 2000 34.4 m 4,290
MUDDY CREEK Iowa Fair 1999 7.9 m 4,290
PERRY CREEK Iowa Good 2006 65.2 m 4,284
STREAM Iowa Fair 1944 7.0 m 4,280
NORTH RIVER Iowa Fair 1969 62.2 m 4,280
IOWA RIVER Iowa Good 1956 131.7 m 4,280
E. FK WAPSIPINICON RIVER Iowa Fair 1962 55.8 m 4,280
SPRING CREEK Iowa Fair 1971 22.3 m 4,280
N BRANCH NORTH RIVER Iowa Fair 1983 61.0 m 4,280
DES MOINES RIVER Iowa Good 2010 219.5 m 4,276
SOUTH AVERY CREEK Iowa Fair 1960 47.2 m 4,270
BEAR CREEK ICE RR Iowa Fair 1960 112.5 m 4,270
LOST ISLAND OUTLET Iowa Fair 1931 32.0 m 4,270
DRAINAGE DITCH Iowa Fair 1965 8.8 m 4,270

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.