US Bridges

US-131 SB over Chippewa RD (4 Mile Rd)

Fair

Osceola County, Michigan · 0.5 MI W of Reed City · Structure no. 000000000008566

Built
1984
41 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
6,322
2007 count
Owner
State
State Highway Agency

About this bridge

US-131 SB over Chippewa RD (4 Mile Rd) is a steel stringer/multi-beam or girder carrying US-131 SB over Chippewa RD (4 Mile Rd) in Osceola 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 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 6,322 vehicles a day, roughly 12% of them trucks, projected to reach 10,456 by 2018. The structure is 100 ft (30.4 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-131 SB
CrossesChippewa RD (4 Mile Rd)
Location0.5 MI W of Reed City
RouteU.S. Route 131
Coordinates43.87314, -85.53079
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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.7 US tons
Inventory rating57.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length100 ft (30.4 m)
Longest span100 ft (30.4 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,322 (2007)
Projected traffic10,456 by 2018
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-131 SB over Chippewa RD (4 Mile Rd) built?

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

What condition is US-131 SB over Chippewa RD (4 Mile Rd) 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 US-131 SB over Chippewa RD (4 Mile Rd) carry?

About 6,322 vehicles per day (2007 count), of which roughly 12% are trucks.

How long is US-131 SB over Chippewa RD (4 Mile Rd)?

The structure is 100 ft (30.4 m) long with a longest span of 100 ft (30.4 m) and a deck 48 ft wide.

Who owns US-131 SB over Chippewa RD (4 Mile Rd)?

It is owned by the State Highway Agency.