US Bridges

M-24 over Wiscoggin Creek

Fair

Tuscola County, Michigan · 0.6 MI S of M-25 · Structure no. 000000000010403

Built
1983
42 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
1,825
2007 count
Owner
State
State Highway Agency

About this bridge

M-24 over Wiscoggin Creek is a prestressed concrete stringer/multi-beam or girder carrying M-24 over Wiscoggin Creek in Tuscola County, Michigan. It was built in 1983, so it is 42 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 1,825 vehicles a day, roughly 11% of them trucks, projected to reach 2,004 by 2018. The structure is 60 ft (18.2 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesM-24
CrossesWiscoggin Creek
Location0.6 MI S of M-25
RouteState Highway 138
CountyTuscola County
StateMichigan
Coordinates43.64509, -83.46617
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.2 m)
Longest span60 ft (18.2 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,825 (2007)
Projected traffic2,004 by 2018
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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-24 over Wiscoggin Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is M-24 over Wiscoggin 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 June 2024.

How much traffic does M-24 over Wiscoggin Creek carry?

About 1,825 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is M-24 over Wiscoggin Creek?

The structure is 60 ft (18.2 m) long with a longest span of 60 ft (18.2 m) and a deck 51 ft wide.

Who owns M-24 over Wiscoggin Creek?

It is owned by the State Highway Agency.