US Bridges

US-131 SB Ramp over CSX RR (abn)

Fair

Osceola County, Michigan · 1.5 MI NW of Reed City · Structure no. 000000000008558

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
3 main spans
Daily traffic
1,500
1988 count
Owner
State
State Highway Agency

About this bridge

US-131 SB Ramp over CSX RR (abn) is a prestressed concrete stringer/multi-beam or girder carrying US-131 SB Ramp over CSX RR (abn) 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 1,550 by 1977. The structure is 175 ft (53.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-131 SB Ramp
CrossesCSX RR (abn)
Location1.5 MI NW of Reed City
RouteU.S. Route 131
Coordinates43.88424, -85.52914
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 rating81.8 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length175 ft (53.3 m)
Longest span61 ft (18.6 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (1988)
Projected traffic1,550 by 1977
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
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 Ramp over CSX RR (abn) built?

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

What condition is US-131 SB Ramp over CSX RR (abn) 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 September 2024.

How much traffic does US-131 SB Ramp over CSX RR (abn) carry?

About 1,500 vehicles per day (1988 count), of which roughly 10% are trucks.

How long is US-131 SB Ramp over CSX RR (abn)?

The structure is 175 ft (53.3 m) long with a longest span of 61 ft (18.6 m) and a deck 36 ft wide.

Who owns US-131 SB Ramp over CSX RR (abn)?

It is owned by the State Highway Agency.