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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
WALNUT CREEK Iowa Good 1996 62.5 m 8,604
DUCK CREEK Iowa Fair 1970 50.6 m 8,600
BUFFALO CREEK Iowa Good 1973 48.2 m 8,600
US 18 Iowa Fair 1971 83.8 m 8,600
STREAM Iowa Fair 1960 15.5 m 8,600
US 30 Iowa Fair 1976 99.4 m 8,591
PRAIRIE CREEK Iowa Good 2010 59.4 m 8,588
I 35 & I 80 Iowa Good 2002 89.2 m 8,570
YEADER CREEK Iowa Fair 1986 17.5 m 8,570
SR D48 Iowa Good 1984 62.5 m 8,550
SPRING CREEK Iowa Fair 1984 44.5 m 8,550
D48 Iowa Good 1984 62.5 m 8,550
IA 150 Iowa Good 1982 96.3 m 8,550
SILVER CK & UP RR Iowa Fair 1970 129.5 m 8,550
SPRING CREEK Iowa Fair 1984 44.5 m 8,550
IA 150 Iowa Good 1982 96.3 m 8,550
SILVER CK & UP RR Iowa Fair 1970 129.5 m 8,550
EAST FOUR MILE CREEK Iowa Good 1987 29.9 m 8,525
FLOYD CLARK & RR Iowa Fair 1965 308.5 m 8,520
8TH AVE SW Iowa Fair 1975 75.0 m 8,500
INLET W OKOBOJI LAKE Iowa Fair 1971 6.4 m 8,500
CC RR & 210TH ST Iowa Fair 1972 80.8 m 8,500
S-W CONN OVER WB I-235 Iowa Good 2002 83.6 m 8,500
JORDAN CREEK Iowa Good 2005 15.2 m 8,476
INDIAN CREEK Iowa Good 1984 40.5 m 8,450
CEDAR RIVER & RR Iowa Good 1995 872.3 m 8,450
GRANT CREEK Iowa Good 1991 25.3 m 8,450
267TH ST Iowa Fair 1981 48.2 m 8,450
IA 163 Iowa Good 1993 86.3 m 8,450
EAST OAKWOOD DRIVE Iowa Good 1997 52.1 m 8,450
267TH ST Iowa Fair 1981 48.2 m 8,450
BUFFALO CREEK Iowa Good 1973 48.5 m 8,450
INDIAN CREEK Iowa Good 1984 40.5 m 8,450
FOUR MILE CREEK Iowa Fair 2002 56.1 m 8,411
HARTS MILL CREEK Iowa Fair 2000 46.6 m 8,400
I-235 Iowa Good 2003 111.6 m 8,400
US 18 Iowa Fair 1971 83.8 m 8,400
CEDAR RIVER OVERFLOW Iowa Good 1995 188.4 m 8,400
SPENCER CREEK Iowa Good 1996 43.3 m 8,400
OVER ABAND RR Iowa Good 1974 54.9 m 8,400
DRY RUN CREEK Iowa Poor 1950 6.7 m 8,392
BLACK HAWK CREEK Iowa Fair 1971 148.4 m 8,392
I 35 I 80 BEAVER CREEK Iowa Good 2016 275.4 m 8,366
SR C-13 Iowa Fair 1972 42.1 m 8,350
SR C-13 Iowa Fair 1972 42.1 m 8,350
CLEAR CREEK Iowa Good 1973 39.0 m 8,339
TRIB-SHELL ROCK RIVER Iowa Fair 1996 8.5 m 8,300
DRAINAGE DITCH Iowa Good 1982 10.4 m 8,300
NORTH SKUNK RIVER Iowa Fair 1969 66.4 m 8,300
CEDAR RIVER Iowa Fair 1950 113.4 m 8,300

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.