US Bridges

M-102 (8 Mile Rd) over M-10 & Ramps

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011467

Built
1965
60 years old, rebuilt 2009
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,838 ft
3 main spans
Daily traffic
38,892
2007 count
Owner
State
State Highway Agency

About this bridge

M-102 (8 Mile Rd) over M-10 & Ramps is a steel continuous stringer/multi-beam or girder carrying M-102 (8 Mile Rd) over M-10 & Ramps in Wayne County, Michigan. It was built in 1965 and reconstructed in 2009, so it is 60 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 38,892 vehicles a day, roughly 3% of them trucks, projected to reach 26,730 by 2029. The structure is 1,838 ft (560.3 m) long and 93 ft wide.

Location

Open in Google Maps
CarriesM-102 (8 Mile Rd)
CrossesM-10 & Ramps
LocationIn Detroit
RouteState Highway 102
CountyWayne County
StateMichigan
Coordinates42.44479, -83.20051
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+12 approach)
Design loadHS 20
Structure length1,838 ft (560.3 m)
Longest span212 ft (64.7 m)
Deck width93 ft (28.2 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,892 (2007)
Projected traffic26,730 by 2029
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesThird level (interchange)
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 M-102 (8 Mile Rd) over M-10 & Ramps built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2009.

What condition is M-102 (8 Mile Rd) over M-10 & Ramps 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 March 2024.

How much traffic does M-102 (8 Mile Rd) over M-10 & Ramps carry?

About 38,892 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-102 (8 Mile Rd) over M-10 & Ramps?

The structure is 1,838 ft (560.3 m) long with a longest span of 212 ft (64.7 m) and a deck 93 ft wide.

Who owns M-102 (8 Mile Rd) over M-10 & Ramps?

It is owned by the State Highway Agency.