US Bridges

I-75 W S Ramp over M-10

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011771

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
228 ft
4 main spans
Daily traffic
15,420
1982 count
Owner
State
State Highway Agency

About this bridge

I-75 W S Ramp over M-10 is a steel stringer/multi-beam or girder carrying I-75 W S Ramp over M-10 in Wayne County, Michigan. It was built in 1970, so it is 55 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15,420 vehicles a day, roughly 3% of them trucks, projected to reach 17,733 by 2002. The structure is 228 ft (69.5 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesI-75 W S Ramp
CrossesM-10
LocationIn Detroit
RouteInterstate 75
CountyWayne County
StateMichigan
Coordinates42.33664, -83.06499
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 alignment6: Equal to present minimum criteria
Operating rating95.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length228 ft (69.5 m)
Longest span71 ft (21.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,420 (1982)
Projected traffic17,733 by 2002
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I-75 W S Ramp over M-10 built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-75 W S Ramp over M-10 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does I-75 W S Ramp over M-10 carry?

About 15,420 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-75 W S Ramp over M-10?

The structure is 228 ft (69.5 m) long with a longest span of 71 ft (21.6 m) and a deck 31 ft wide.

Who owns I-75 W S Ramp over M-10?

It is owned by the State Highway Agency.