US Bridges

M-25 over Shebeon Drain

Fair

Huron County, Michigan · 2.5 MI S of M-142 · Structure no. 000000000003445

Built
1949
76 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
2,000
2013 count
Owner
State
State Highway Agency

About this bridge

M-25 over Shebeon Drain is a steel stringer/multi-beam or girder carrying M-25 over Shebeon Drain in Huron County, Michigan. It was built in 1949, so it is 76 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 2,000 vehicles a day, roughly 8% of them trucks, projected to reach 2,712 by 2018. The structure is 55 ft (16.7 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-25
CrossesShebeon Drain
Location2.5 MI S of M-142
RouteState Highway 25
CountyHuron County
StateMichigan
Coordinates43.79209, -83.37744
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span55 ft (16.7 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2013)
Projected traffic2,712 by 2018
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$31,000
NavigationNo navigation control on waterway

Frequently asked questions

When was M-25 over Shebeon Drain built?

It was built in 1949, making it 76 years old in 2025.

What condition is M-25 over Shebeon 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 July 2023.

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

About 2,000 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is M-25 over Shebeon Drain?

The structure is 55 ft (16.7 m) long with a longest span of 55 ft (16.7 m) and a deck 43 ft wide.

Who owns M-25 over Shebeon Drain?

It is owned by the State Highway Agency.