Ia 70 over Iowa River

Fair Condition37 years old2,840 vehicles/day

Location

StateIowa
CountyLouisa
Location0.9 Mi. N Of Jct. Iowa 92
CarriesIa 70
CrossesIowa River
Coordinates41.29122, -91.36031

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length581.0 ft (177.1 m)
Max Span97.1 ft (29.6 m)
Deck Width43.6 ft (13.3 m)
Deck Area2355.4 sq m
Main Spans6
Year Built1989

Traffic

Avg Daily Traffic2,840 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000034061

Nearby Bridges