S Black River RD over Black River

Fair Condition34 years old80 vehicles/day

Location

StateMichigan
CountyGogebic
LocationSec 4-9 Erwin Twp
CarriesS Black River RD
CrossesBlack River
Coordinates46.40550, -90.06075

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure8 (Very Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length69.9 ft (21.3 m)
Max Span67.9 ft (20.7 m)
Deck Width30.8 ft (9.4 m)
Deck Area200.2 sq m
Main Spans1
Year Built1992

Traffic

Avg Daily Traffic80 (1998)
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000002984

Nearby Bridges