Ia 220 over So.overflow Iowa River

Good Condition48 years old1,050 vehicles/day

Location

StateIowa
CountyIowa
Location1.2 Mi. N Of Jct. Us. 6
CarriesIa 220
CrossesSo.overflow Iowa River
Coordinates41.78218, -91.96629

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length195.9 ft (59.7 m)
Max Span65.0 ft (19.8 m)
Deck Width43.3 ft (13.2 m)
Deck Area788.0 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic1,050 (2022)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000029641

Nearby Bridges