M-89 over Schnable River

Fair Condition38 years old12,100 vehicles/day

Location

StateMichigan
CountyAllegan
Location4.8 Mi NW Of Otsego
CarriesM-89
CrossesSchnable River
Coordinates42.49188, -85.76750

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway5 (Fair)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length54.1 ft (16.5 m)
Max Span52.5 ft (16 m)
Deck Width51.2 ft (15.6 m)
Deck Area257.4 sq m
Main Spans1
Year Built1988

Traffic

Avg Daily Traffic12,100 (2013)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000000090

Nearby Bridges