US Bridges

US-131 SB over White Pine Trail

Fair

Wexford County, Michigan · 6 MI S of Cadillac · Structure no. 000000000012539

Built
1966
59 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
3 main spans
Daily traffic
7,450
2019 count
Owner
State
State Highway Agency

About this bridge

US-131 SB over White Pine Trail is a steel stringer/multi-beam or girder carrying US-131 SB over White Pine Trail in Wexford County, Michigan. It was built in 1966, so it is 59 years old, older 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 5 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 7,450 vehicles a day, roughly 10% of them trucks, projected to reach 8,568 by 2039. The structure is 146 ft (44.5 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS-131 SB
CrossesWhite Pine Trail
Location6 MI S of Cadillac
RouteU.S. Route 131
Coordinates44.17042, -85.4347
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span55 ft (16.8 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,450 (2019)
Projected traffic8,568 by 2039
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed8.1 mi (13 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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-131 SB over White Pine Trail built?

It was built in 1966, making it 59 years old in 2025.

What condition is US-131 SB over White Pine Trail 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 July 2023.

How much traffic does US-131 SB over White Pine Trail carry?

About 7,450 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is US-131 SB over White Pine Trail?

The structure is 146 ft (44.5 m) long with a longest span of 55 ft (16.8 m) and a deck 42 ft wide.

Who owns US-131 SB over White Pine Trail?

It is owned by the State Highway Agency.