EB US 20 over South Fork Iowa River

Good Condition27 years old4,650 vehicles/day

Location

StateIowa
CountyHardin
Location1.0 Mile E Of Jct SR S27
CarriesEB US 20
CrossesSouth Fork Iowa River
Coordinates42.44761, -93.36711

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length170.9 ft (52.1 m)
Max Span82.0 ft (25 m)
Deck Width43.3 ft (13.2 m)
Deck Area687.7 sq m
Main Spans3
Year Built1999

Traffic

Avg Daily Traffic4,650 (2022)
Truck Traffic30%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000607440

Nearby Bridges