I-75 SB over Pine River

Fair Condition63 years old1,825 vehicles/day

Location

StateMichigan
CountyMackinac
Location3.6 Mi S Of Chippewa Col
CarriesI-75 SB
CrossesPine River
Coordinates46.12442, -84.61396

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length521.0 ft (158.8 m)
Max Span58.1 ft (17.7 m)
Deck Width36.4 ft (11.1 m)
Deck Area1762.7 sq m
Main Spans9
Year Built1963

Traffic

Avg Daily Traffic1,825 (2014)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000005941

Nearby Bridges