M-64 over Potato River

Fair Condition74 years old2,025 vehicles/day

Location

StateMichigan
CountyOntonagon
Location3.6 Mi SW Of Us-45
CarriesM-64
CrossesPotato River
Coordinates46.85206, -89.38663

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length149.0 ft (45.4 m)
Max Span60.0 ft (18.3 m)
Deck Width33.5 ft (10.2 m)
Deck Area463.1 sq m
Main Spans3
Year Built1952

Traffic

Avg Daily Traffic2,025 (2013)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000008476

Nearby Bridges

M-64 over Floodwood River 0.5 mi Good M-64 over Weigels Creek 0.6 mi Fair M-64 over Dreiss Creek 0.9 mi Good M-64 over Cranberry River 1.6 mi Fair M-64 over Little Cranberry River 2.3 mi Fair M-64 over Townline Creek 2.8 mi Fair M-64 over Halfway Creek 3.1 mi Fair M-64 & M-38 over Ontonagon R River RD Rr 3.5 mi Fair M-64 over Duck Creek 4.1 mi Good M-64 over Pine River 5.0 mi Poor