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.
Why do engineers love bridges? They're outstanding in their field.
Iowa
Total Bridges
221
Poor Condition
30.3%
Avg Sufficiency
56.2
Avg Age
53 yrs
Total Bridges
221
Poor Condition
67(30.3%)
Good or Better
44
Avg Sufficiency
56.2
Average Age
53 yrs
Daily Crossings
174K
Showing 1 - 20 of 221 bridges
over S.ENGLISH RIVER
over CEDAR CREEK
over DRAINAGE
over DRAINAGE
over LAKE KEOMAH
over SPRING CREEK
over IA 163
over DRAINAGE DITCH #2
over OVER UP RR
over IA 92
over MUCHAKINOCK CREEK
over BLACK OAK CREEK
over BALLINGER CREEK
over BLUFF CREEK
over BUCKLEY CREEK
over BUCKLEY CREEK
over BUCK CREEK
over BLUFF CREEK
over BLUFF CREEK
over BALLINGER CREEK