US Bridges

M-125 over Raisin River

Fair

Monroe County, Michigan · In Monroe · Structure no. 000000000007140

Built
1927
98 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
211 ft
5 main spans
Daily traffic
21,209
2007 count
Owner
State
State Highway Agency

About this bridge

M-125 over Raisin River is a prestressed concrete stringer/multi-beam or girder carrying M-125 over Raisin River in Monroe County, Michigan. It was built in 1927 and reconstructed in 1990, so it is 98 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 21,209 vehicles a day, projected to reach 28,912 by 2018. The structure is 211 ft (64.3 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesM-125
CrossesRaisin River
LocationIn Monroe
RouteState Highway 125
Coordinates41.91765, -83.3967
Functional classUrban Minor 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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length211 ft (64.3 m)
Longest span43 ft (13.1 m)
Deck width70 ft (21.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,209 (2007)
Projected traffic28,912 by 2018
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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-125 over Raisin River built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1990.

What condition is M-125 over Raisin 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 August 2023.

How much traffic does M-125 over Raisin River carry?

About 21,209 vehicles per day (2007 count).

How long is M-125 over Raisin River?

The structure is 211 ft (64.3 m) long with a longest span of 43 ft (13.1 m) and a deck 70 ft wide.

Who owns M-125 over Raisin River?

It is owned by the State Highway Agency.