Ia 136 over Maquoketa River

Fair Condition58 years old770 vehicles/day

Location

StateIowa
CountyJones
Location2.6 Mi. N Of Jct. SR E17
CarriesIa 136
CrossesMaquoketa River
Coordinates42.20275, -91.00531

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length458.0 ft (139.6 m)
Max Span99.1 ft (30.2 m)
Deck Width35.8 ft (10.9 m)
Deck Area1521.6 sq m
Main Spans5
Year Built1968

Traffic

Avg Daily Traffic770 (2022)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000032550

Nearby Bridges