US Bridges

M-25 over Akron Drain

Fair

Tuscola County, Michigan · 4.1 MI SW of Huron Col · Structure no. 000000000010443

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
5,571
2007 count
Owner
State
State Highway Agency

About this bridge

M-25 over Akron Drain is a prestressed concrete stringer/multi-beam or girder carrying M-25 over Akron Drain in Tuscola County, Michigan. It was built in 1985, so it is 40 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 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 5,571 vehicles a day, roughly 6% of them trucks, projected to reach 7,535 by 2018. The structure is 27 ft (8.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesM-25
CrossesAkron Drain
Location4.1 MI SW of Huron Col
RouteState Highway 25
CountyTuscola County
StateMichigan
Coordinates43.64579, -83.52589
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating89.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,571 (2007)
Projected traffic7,535 by 2018
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Akron Drain built?

It was built in 1985, making it 40 years old in 2025.

What condition is M-25 over Akron Drain 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 September 2023.

How much traffic does M-25 over Akron Drain carry?

About 5,571 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is M-25 over Akron Drain?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 47 ft wide.

Who owns M-25 over Akron Drain?

It is owned by the State Highway Agency.