US Bridges

US-131(OLD) over Little Muskegon River

Fair

Mecosta County, Michigan · In Morley · Structure no. 000000000006691

Built
1993
32 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
5,177
2007 count
Owner
State
State Highway Agency

About this bridge

US-131(OLD) over Little Muskegon River is a prestressed concrete stringer/multi-beam or girder carrying US-131(OLD) over Little Muskegon River in Mecosta County, Michigan. It was built in 1993, so it is 32 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 5,177 vehicles a day, roughly 4% of them trucks, projected to reach 8,766 by 2018. The structure is 200 ft (60.9 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-131(OLD)
CrossesLittle Muskegon River
LocationIn Morley
RouteU.S. Route 131
Coordinates43.48604, -85.44508
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating75.7 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length200 ft (60.9 m)
Longest span100 ft (30.4 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,177 (2007)
Projected traffic8,766 by 2018
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-131(OLD) over Little Muskegon River built?

It was built in 1993, making it 32 years old in 2025.

What condition is US-131(OLD) over Little Muskegon River 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 2023.

How much traffic does US-131(OLD) over Little Muskegon River carry?

About 5,177 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is US-131(OLD) over Little Muskegon River?

The structure is 200 ft (60.9 m) long with a longest span of 100 ft (30.4 m) and a deck 50 ft wide.

Who owns US-131(OLD) over Little Muskegon River?

It is owned by the State Highway Agency.