Ia 78 over Stream

Poor Condition89 years old1,190 vehicles/day

Location

StateIowa
CountyKeokuk
Location3.9 Mi. E Of Jct. Ia 149
CarriesIa 78
CrossesStream
Coordinates41.17734, -92.13912

Condition Ratings

Overall ConditionPoor
Channel/Waterway6 (Satisfactory)
Culvert4 (Poor)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length21.0 ft (6.4 m)
Max Span9.8 ft (3 m)
Deck Area70.4 sq m
Main Spans2
Year Built1937 (reconstructed 1988)

Traffic

Avg Daily Traffic1,190 (2022)
Truck Traffic28%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000604370

Nearby Bridges