I-75 SB over Allen RD

Fair Condition60 years old46,853 vehicles/day

Location

StateMichigan
CountyWayne
LocationS Lts Of Southgate
CarriesI-75 SB
CrossesAllen RD
Coordinates42.20826, -83.22901

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length218.2 ft (66.5 m)
Max Span62.0 ft (18.9 m)
Deck Width54.5 ft (16.6 m)
Deck Area1103.9 sq m
Main Spans4
Year Built1966

Traffic

Avg Daily Traffic46,853 (2015)
Truck Traffic20%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000011659

Nearby Bridges

I-75 NB over Allen RD 0.0 mi Fair I-75 SB over Gtw Rr 0.4 mi Fair I-75 NB over Gtw Rr 0.4 mi Fair I-75 SB over North Line RD 0.5 mi Good I-75 NB over North Line RD 0.5 mi Good Huron Street over Frank & Poet Drain 0.8 mi Good I-75 NB over Eureka RD 0.9 mi Good I-75 SB over Eureka RD 0.9 mi Good I-75 Ramp C over Frank & Poet Drain 1.0 mi Good I-75 & Ramp A over Frank & Poet Drain 1.0 mi Fair