US Bridges

Wilkins ST & Ramp over I-75

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011814

Built
1961
64 years old, rebuilt 2007
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
229 ft
4 main spans
Daily traffic
2,100
2008 count
Owner
State
State Highway Agency

About this bridge

Wilkins ST & Ramp over I-75 is a steel stringer/multi-beam or girder carrying Wilkins ST & Ramp over I-75 in Wayne County, Michigan. It was built in 1961 and reconstructed in 2007, so it is 64 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 3% of them trucks, projected to reach 3,080 by 2028. The structure is 229 ft (69.8 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWilkins ST & Ramp
CrossesI-75
LocationIn Detroit
RouteInterstate 75
Coordinates42.34799, -83.04565
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating54.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length229 ft (69.8 m)
Longest span87 ft (26.5 m)
Deck width68 ft (20.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2008)
Projected traffic3,080 by 2028
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wilkins ST & Ramp over I-75 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2007.

What condition is Wilkins ST & Ramp over I-75 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Wilkins ST & Ramp over I-75 carry?

About 2,100 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Wilkins ST & Ramp over I-75?

The structure is 229 ft (69.8 m) long with a longest span of 87 ft (26.5 m) and a deck 68 ft wide.

Who owns Wilkins ST & Ramp over I-75?

It is owned by the State Highway Agency.