Co RD 424 over Iron River

Fair Condition97 years old800 vehicles/day

Location

StateMichigan
CountyIron
LocationSo City Limits
CarriesCo RD 424
CrossesIron River
Coordinates46.05837, -88.62687

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length54.8 ft (16.7 m)
Max Span50.9 ft (15.5 m)
Deck Width38.4 ft (11.7 m)
Deck Area195.4 sq m
Main Spans1
Year Built1929 (reconstructed 1992)

Traffic

Avg Daily Traffic800 (1996)
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000004214

Nearby Bridges