US Bridges

M-25 over Cherry Creek

Fair

Sanilac County, Michigan · 6.3 MI N of M46 · Structure no. 000000000009492

Built
1934
91 years old, rebuilt 1992
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
3,294
2017 count
Owner
State
State Highway Agency

About this bridge

M-25 over Cherry Creek is a prestressed concrete box beam or girders - multiple carrying M-25 over Cherry Creek in Sanilac County, Michigan. It was built in 1934 and reconstructed in 1992, so it is 91 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 3,294 vehicles a day, roughly 6% of them trucks, projected to reach 3,788 by 2037. The structure is 34 ft (10.3 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesM-25
CrossesCherry Creek
Location6.3 MI N of M46
RouteState Highway 25
Coordinates43.51855, -82.57757
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.5 US tons
Inventory rating61.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.3 m)
Longest span34 ft (10.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,294 (2017)
Projected traffic3,788 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-25 over Cherry Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1992.

What condition is M-25 over Cherry Creek 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 May 2024.

How much traffic does M-25 over Cherry Creek carry?

About 3,294 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is M-25 over Cherry Creek?

The structure is 34 ft (10.3 m) long with a longest span of 34 ft (10.3 m) and a deck 47 ft wide.

Who owns M-25 over Cherry Creek?

It is owned by the State Highway Agency.