US Bridges

M-52 over Raisin River

Fair

Washtenaw County, Michigan · In Manchester · Structure no. 000000000010810

Built
1939
86 years old, rebuilt 2011
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
6,625
2024 count
Owner
State
State Highway Agency

About this bridge

M-52 over Raisin River is a steel stringer/multi-beam or girder carrying M-52 over Raisin River in Washtenaw County, Michigan. It was built in 1939 and reconstructed in 2011, so it is 86 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 6,625 vehicles a day, roughly 4% of them trucks, projected to reach 7,325 by 2044. The structure is 60 ft (18.3 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-52
CrossesRaisin River
LocationIn Manchester
RouteState Highway 52
CountyWashtenaw County
StateMichigan
Coordinates42.14959, -84.02345
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.6 US tons
Inventory rating58.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span59 ft (17.9 m)
Deck width49 ft (15 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,625 (2024)
Projected traffic7,325 by 2044
Trucks4%
Lanes on structure2
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-52 over Raisin River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2011.

What condition is M-52 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 November 2024.

How much traffic does M-52 over Raisin River carry?

About 6,625 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is M-52 over Raisin River?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (17.9 m) and a deck 49 ft wide.

Who owns M-52 over Raisin River?

It is owned by the State Highway Agency.