US Bridges

US 287 over Stockpass

Good

Fremont County, Wyoming · Muddy Gap Jct-Wyo 28 JCT · Structure no. BZZ

Built
1973
52 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
56 ft
2 main spans
Daily traffic
494
2024 count
Owner
State
State Highway Agency

About this bridge

US 287 over Stockpass is a concrete continuous tee beam carrying US 287 over Stockpass in Fremont County, Wyoming. It was built in 1973, so it is 52 years old, older than the Wyoming average of 48.4 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 494 vehicles a day, roughly 38% of them trucks, projected to reach 692 by 2043. The structure is 56 ft (17.1 m) long and 39 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesUS 287
CrossesStockpass
LocationMuddy Gap Jct-Wyo 28 JCT
RouteU.S. Route 287
StateWyoming
Coordinates42.68199, -108.43734
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span27 ft (8.2 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic494 (2024)
Projected traffic692 by 2043
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 287 over Stockpass built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 287 over Stockpass 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 August 2023.

How much traffic does US 287 over Stockpass carry?

About 494 vehicles per day (2024 count), of which roughly 38% are trucks.

How long is US 287 over Stockpass?

The structure is 56 ft (17.1 m) long with a longest span of 27 ft (8.2 m) and a deck 39 ft wide.

Who owns US 287 over Stockpass?

It is owned by the State Highway Agency.