56th ST over I-235

Good Condition21 years old5,745 vehicles/day

Location

StateIowa
CountyPolk
Location0.5 Mi. E Of Jct. Ia 28
Carries56th ST
CrossesI-235
Coordinates41.59219, -93.69373

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length271.0 ft (82.6 m)
Max Span142.1 ft (43.3 m)
Deck Width66.9 ft (20.4 m)
Deck Area1685.0 sq m
Main Spans2
Year Built2005

Traffic

Avg Daily Traffic5,745 (2022)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000042321

Nearby Bridges

I-235 over Drainage Ditch 0.1 mi Fair Pleasant DR over Cummins Creek 0.3 mi Good WB I-235 over Cummins Parkway 0.3 mi Fair EB I-235 over Cummins Parkway 0.3 mi Fair Ia 28 over I-235 0.5 mi Good Sb(eb) Polk Blv over I-235 0.6 mi Good Ia 28 over Walnut Creek 0.6 mi Good Nb(wb) Polk Blv over I-235 0.6 mi Good Grand AVE over Walnut Creek 0.8 mi Good WB I-235 over Walnut Creek 1.0 mi Fair