US Bridges

M-52 over Shiawassee River

Fair

Shiawassee County, Michigan · In Owosso · Structure no. 000000000009727

Built
2004
21 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
11,489
2007 count
Owner
State
State Highway Agency

About this bridge

M-52 over Shiawassee River is a prestressed concrete stringer/multi-beam or girder carrying M-52 over Shiawassee River in Shiawassee County, Michigan. It was built in 2004, so it is 21 years old, younger 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 11,489 vehicles a day, roughly 3% of them trucks, projected to reach 16,128 by 2018. The structure is 150 ft (45.7 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-52
CrossesShiawassee River
LocationIn Owosso
RouteState Highway 52
CountyShiawassee County
StateMichigan
Coordinates43.00039, -84.17684
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width66 ft (20.1 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,489 (2007)
Projected traffic16,128 by 2018
Trucks3%
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-52 over Shiawassee River built?

It was built in 2004, making it 21 years old in 2025.

What condition is M-52 over Shiawassee 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 July 2023.

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

About 11,489 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-52 over Shiawassee River?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 66 ft wide.

Who owns M-52 over Shiawassee River?

It is owned by the State Highway Agency.