US Bridges

M-102 EB over Rouge River

Fair

Wayne County, Michigan · 0.1 MI W of US-24 · Structure no. 000000000011619

Built
1931
94 years old, rebuilt 1987
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
25,704
2007 count
Owner
State
State Highway Agency

About this bridge

M-102 EB over Rouge River is a prestressed concrete stringer/multi-beam or girder carrying M-102 EB over Rouge River in Wayne County, Michigan. It was built in 1931 and reconstructed in 1987, so it is 94 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 6 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 25,704 vehicles a day, roughly 4% of them trucks, projected to reach 24,462 by 2018. The structure is 70 ft (21.3 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesM-102 EB
CrossesRouge River
Location0.1 MI W of US-24
RouteState Highway 102
CountyWayne County
StateMichigan
Coordinates42.44268, -83.28131
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width73 ft (22.1 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,704 (2007)
Projected traffic24,462 by 2018
Trucks4%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-102 EB over Rouge River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1987.

What condition is M-102 EB over Rouge River 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 September 2024.

How much traffic does M-102 EB over Rouge River carry?

About 25,704 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is M-102 EB over Rouge River?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 73 ft wide.

Who owns M-102 EB over Rouge River?

It is owned by the State Highway Agency.