Dunbar RD over I-75

Fair Condition71 years old400 vehicles/day

Location

StateMichigan
CountyMonroe
Location2.8 Mi SW Of M-50
CarriesDunbar RD
CrossesI-75
Coordinates41.89015, -83.38254

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length235.9 ft (71.9 m)
Max Span69.9 ft (21.3 m)
Deck Width31.2 ft (9.5 m)
Deck Area683.0 sq m
Main Spans4
Year Built1955

Traffic

Avg Daily Traffic400 (1995)
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number000000000007184

Nearby Bridges

I-75 NB over Plum Creek 0.3 mi Fair I-75 SB over Plum Creek 0.3 mi Fair I-75 over Cn Gtw & Ns Rrs 0.8 mi Fair Kentucky Avenue over Plum Creek 1.0 mi Fair Laplaisance RD over I-75 1.1 mi Good I-75 over Conrail Raisin R Front 1.2 mi Poor Laplaisance RD over Plum Creek 1.2 mi Fair Laplaisance Road over Laplaisance Creek 1.2 mi Poor Albain Road over Laplaisance Creek 1.3 mi Fair I-75 over Norfolk Southern Rr 1.3 mi Fair