US Bridges

M-102 Ramp over M-10 Ramp

Good

Wayne County, Michigan · N Lts of Detroit · Structure no. 000000000011464

Built
1965
60 years old, rebuilt 2010
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
6,000
2009 count
Owner
State
State Highway Agency

About this bridge

M-102 Ramp over M-10 Ramp is a steel stringer/multi-beam or girder carrying M-102 Ramp over M-10 Ramp in Wayne County, Michigan. It was built in 1965 and reconstructed in 2010, 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 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 6,000 vehicles a day, roughly 4% of them trucks, projected to reach 6,900 by 2029. The structure is 59 ft (18 m) long and 24 ft wide.

CarriesM-102 Ramp
CrossesM-10 Ramp
LocationN Lts of Detroit
RouteState Highway 102
Coordinates42.44508, -83.20342
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span57 ft (17.3 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2009)
Projected traffic6,900 by 2029
Trucks4%
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 M-102 Ramp over M-10 Ramp built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2010.

What condition is M-102 Ramp over M-10 Ramp 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 August 2024.

How much traffic does M-102 Ramp over M-10 Ramp carry?

About 6,000 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is M-102 Ramp over M-10 Ramp?

The structure is 59 ft (18 m) long with a longest span of 57 ft (17.3 m) and a deck 24 ft wide.

Who owns M-102 Ramp over M-10 Ramp?

It is owned by the State Highway Agency.