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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
DRAINAGE Iowa Fair 2000 60.4 m 41,550
US 69 Iowa Good 2000 75.0 m 41,550
US 69 Iowa Good 2000 75.0 m 41,250
CC RR & ASH PIT Iowa Fair 1979 537.4 m 41,000
NE 3RD ST Iowa Good 2000 37.5 m 40,250
IA 415 Iowa Good 1999 78.0 m 40,250
IA 28 Iowa Good 1999 81.1 m 40,100
MIDDLE WAPSINONOC CREEK Iowa Fair 1960 15.9 m 39,700
STREAM Iowa Fair 1960 7.0 m 39,700
STREAM Iowa Fair 1960 11.6 m 39,700
IA 415 Iowa Good 1999 78.0 m 39,550
NE 3RD ST Iowa Good 2000 37.5 m 39,550
MUD CREEK Iowa Fair 1959 15.9 m 39,400
IA 28 Iowa Fair 1999 81.1 m 39,100
H AVE NE Iowa Good 1980 52.1 m 38,800
CC RR Iowa Fair 1980 179.5 m 38,800
H AVE NE Iowa Fair 1980 52.1 m 38,800
J AVE NE Iowa Fair 1980 70.7 m 38,800
CC RR Iowa Fair 1980 135.9 m 38,800
J AVE NE Iowa Fair 1980 70.7 m 38,800
15TH STREET Iowa Good 2005 54.6 m 38,550
NB US 69/E 15TH ST Iowa Good 2004 55.8 m 38,550
MISSISSIPPI RIVER & RR Iowa Fair 1967 1,063.1 m 38,100
MISSISSIPPI RIVER Iowa Good 2020 1,032.1 m 37,650
RR EP TRUE CREEK Iowa Good 2013 136.3 m 37,550
HULL AVE Iowa Good 2005 69.5 m 37,300
HULL AVENUE Iowa Good 2005 69.5 m 37,300
UNION PACIFIC RR Iowa Good 2004 113.7 m 36,950
IA 163/UNIV AVE/RAMP Iowa Good 2004 318.8 m 36,950
KEO WAY Iowa Good 2005 97.2 m 36,850
UP RR EP TRUE CREEK Iowa Good 2014 136.3 m 36,600
NE 46TH AVE Iowa Fair 1967 46.9 m 36,450
NE 46 AVE Iowa Fair 1967 46.9 m 36,450
EASTON BLVD Iowa Good 2006 53.3 m 36,300
EASTON BLVD Iowa Good 2004 52.1 m 36,300
NS RR & IA 141 Iowa Fair 1958 76.8 m 36,100
DRAINAGE DITCH Iowa Fair 1960 7.6 m 36,000
LITTLE ELKHORN CREEK Iowa Fair 1959 15.9 m 36,000
DRAINAGE DITCH Iowa Fair 1959 11.9 m 36,000
COLDSTREAM AVE NE Iowa Fair 1980 53.6 m 35,400
COLDSTREAM AVE NE Iowa Fair 1980 53.6 m 35,400
GOOSE CREEK Iowa Good 2011 35.2 m 35,400
NS RR & IA 141 Iowa Fair 1958 77.3 m 35,200
E 21ST STREET Iowa Good 2005 28.5 m 35,150
EAST 21ST STREET Iowa Good 2001 28.3 m 35,150
UP RR Iowa Good 2004 114.9 m 35,150
STREAM Iowa Fair 1963 7.6 m 34,600
DRAINAGE DITCH Iowa Fair 1963 10.1 m 34,600
MISSOURI RIVER & RD Iowa Fair 1981 457.8 m 34,600
15TH & 16TH AV SW Iowa Fair 1975 148.4 m 34,450

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.