Did you know? The oldest bridge in the NBI was built in 1697.
Did you know? The oldest bridge in the NBI was built in 1697.
Gathering condition ratings from coast to coast...
Iowa
Total Bridges
222
Poor Condition
18.5%
Avg Sufficiency
58.1
Avg Age
55 yrs
Total Bridges
222
Poor Condition
41(18.5%)
Good or Better
74
Avg Sufficiency
58.1
Average Age
55 yrs
Daily Crossings
332K
Showing 1 - 20 of 222 bridges
over I-29
over SMALL STREAM
over ALLEN CREEK
over BOYER RIVER
over WILLOW RIVER
over I-29
over ALLEN CREEK
over PICAYUNE CREEK
over WILLOW CREEK
over BOYER RIVER
over STEER CREEK
over ALLEN CREEK
over I-29
over STEER CREEK
over SMALL CREEK
over SPOONER DITCH
over SPOONER DITCH
over ALLEN CREEK
over I-29
over ALLEN CREEK