Ia 78 over Stream

Fair Condition79 years old1,590 vehicles/day

Location

StateIowa
CountyKeokuk
Location3.4 Mi. W Of Jct. Ia 1
CarriesIa 78
CrossesStream
Coordinates41.17807, -92.03090

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length103.0 ft (31.4 m)
Max Span39.0 ft (11.9 m)
Deck Width32.2 ft (9.8 m)
Deck Area307.7 sq m
Main Spans3
Year Built1947

Traffic

Avg Daily Traffic1,590 (2022)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000032700

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