FM F-12 over I-380 & US 218

Good Condition54 years old6,800 vehicles/day

Location

StateIowa
CountyJohnson
Location2.9 Mi. S Of Co RD E70.
CarriesFM F-12
CrossesI-380 & US 218
Coordinates41.84789, -91.66787

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length263.1 ft (80.2 m)
Max Span86.9 ft (26.5 m)
Deck Width35.4 ft (10.8 m)
Deck Area866.2 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic6,800 (2022)
Truck Traffic10%
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 Number000000000205625

Nearby Bridges