SB Ia 1 over US 218

Fair Condition43 years old7,650 vehicles/day

Location

StateIowa
CountyJohnson
LocationAt Jct U.s. 218
CarriesSB Ia 1
CrossesUS 218
Coordinates41.63409, -91.56759

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length268.0 ft (81.7 m)
Max Span91.9 ft (28 m)
Deck Width43.0 ft (13.1 m)
Deck Area1070.3 sq m
Main Spans4
Year Built1983

Traffic

Avg Daily Traffic7,650 (2022)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000605545

Nearby Bridges