US Bridges

M-24 over Gilbert Br Wiscoggin Drn

Good

Tuscola County, Michigan · 3.0 MI East of Akron · Structure no. 000000000010406

Built
1984
41 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
1,825
2007 count
Owner
State
State Highway Agency

About this bridge

M-24 over Gilbert Br Wiscoggin Drn is a prestressed concrete box beam or girders - multiple carrying M-24 over Gilbert Br Wiscoggin Drn in Tuscola County, Michigan. It was built in 1984, so it is 41 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,825 vehicles a day, roughly 11% of them trucks, projected to reach 2,004 by 2018. The structure is 25 ft (7.5 m) long and 34 ft wide.

CarriesM-24
CrossesGilbert Br Wiscoggin Drn
Location3.0 MI East of Akron
RouteState Highway 138
Coordinates43.57595, -83.4648
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.5 m)
Longest span23 ft (7 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.2 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 closed—
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 Gilbert Br Wiscoggin Drn built?

It was built in 1984, making it 41 years old in 2025.

What condition is M-24 over Gilbert Br Wiscoggin Drn in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does M-24 over Gilbert Br Wiscoggin Drn carry?

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

How long is M-24 over Gilbert Br Wiscoggin Drn?

The structure is 25 ft (7.5 m) long with a longest span of 23 ft (7 m) and a deck 34 ft wide.

Who owns M-24 over Gilbert Br Wiscoggin Drn?

It is owned by the State Highway Agency.