FM F-28 over I-380

Fair Condition56 years old8,900 vehicles/day

Location

StateIowa
CountyJohnson
LocationAt Jct. SR F28
CarriesFM F-28
CrossesI-380
Coordinates41.75245, -91.64268

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length257.9 ft (78.6 m)
Max Span86.0 ft (26.2 m)
Deck Width35.1 ft (10.7 m)
Deck Area841.0 sq m
Main Spans4
Year Built1970

Traffic

Avg Daily Traffic8,900 (2022)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000205005

Nearby Bridges