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.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
South Dakota
Total Bridges
170
Poor Condition
11.8%
Avg Sufficiency
60.1
Avg Age
43 yrs
Total Bridges
170
Poor Condition
20(11.8%)
Good or Better
68
Avg Sufficiency
60.1
Average Age
43 yrs
Daily Crossings
147K
Showing 1 - 20 of 170 bridges
over JAMES RIVER
over MAPLE RIVER
over ELM LAKE
over MAPLE RIVER
over MAPLE RIVER
over JAMES RIVER
over JAMES RIVER
over JAMES RIVER
over MAPLE RIVER
over DRY BRANCH CREEK
over MAPLE RIVER
over ELM RIVER
over ELM RIVER
over MOCCASIN CREEK
over MAPLE RIVER
over ELM RIVER
over ELM RIVER
over WILLOW CREEK
over ELM RIVER
over CROW CREEK DITCH