US Bridges

M-52 over I-69

Fair

Shiawassee County, Michigan · 0.5 MI N of Perry · Structure no. 000000000009763

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
276 ft
2 main spans
Daily traffic
15,425
2020 count
Owner
State
State Highway Agency

About this bridge

M-52 over I-69 is a steel continuous stringer/multi-beam or girder carrying M-52 over I-69 in Shiawassee County, Michigan. It was built in 1989, so it is 36 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 15,425 vehicles a day, roughly 3% of them trucks, projected to reach 17,050 by 2040. The structure is 276 ft (84.1 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-52
CrossesI-69
Location0.5 MI N of Perry
RouteState Highway 52
CountyShiawassee County
StateMichigan
Coordinates42.83967, -84.21972
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length276 ft (84.1 m)
Longest span136 ft (41.5 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,425 (2020)
Projected traffic17,050 by 2040
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-52 over I-69 built?

It was built in 1989, making it 36 years old in 2025.

What condition is M-52 over I-69 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 June 2023.

How much traffic does M-52 over I-69 carry?

About 15,425 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is M-52 over I-69?

The structure is 276 ft (84.1 m) long with a longest span of 136 ft (41.5 m) and a deck 59 ft wide.

Who owns M-52 over I-69?

It is owned by the State Highway Agency.