US Bridges

M-10N to I-75S Rmp over M-10

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011770

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

About this bridge

M-10N to I-75S Rmp over M-10 is a steel continuous stringer/multi-beam or girder carrying M-10N to I-75S Rmp 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 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 15,420 vehicles a day, roughly 3% of them trucks, projected to reach 17,733 by 2002. The structure is 288 ft (87.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-10N to I-75S Rmp
CrossesM-10
LocationIn Detroit
RouteState Highway 10
Coordinates42.33591, -83.06441
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.9 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length288 ft (87.9 m)
Longest span85 ft (25.9 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 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 closed3.1 mi (5 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 M-10N to I-75S Rmp over M-10 built?

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

What condition is M-10N to I-75S Rmp over M-10 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 May 2024.

How much traffic does M-10N to I-75S Rmp over M-10 carry?

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

How long is M-10N to I-75S Rmp over M-10?

The structure is 288 ft (87.9 m) long with a longest span of 85 ft (25.9 m) and a deck 28 ft wide.

Who owns M-10N to I-75S Rmp over M-10?

It is owned by the State Highway Agency.