US Bridges

US 287 over Willow Creek

Good

Fremont County, Wyoming · Wyo 28 JCT - Lander · Structure no. DED

Built
1982
43 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
117 ft
3 main spans
Daily traffic
2,006
2024 count
Owner
State
State Highway Agency

About this bridge

US 287 over Willow Creek is a steel continuous stringer/multi-beam or girder carrying US 287 over Willow Creek in Fremont County, Wyoming. It was built in 1982, so it is 43 years old, younger 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 2,006 vehicles a day, roughly 13% of them trucks, projected to reach 2,808 by 2043. The structure is 117 ft (35.7 m) long and 43 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesUS 287
CrossesWillow Creek
LocationWyo 28 JCT - Lander
RouteU.S. Route 287
StateWyoming
Coordinates42.75458, -108.65183
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,006 (2024)
Projected traffic2,808 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 287 over Willow Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is US 287 over Willow Creek 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 2024.

How much traffic does US 287 over Willow Creek carry?

About 2,006 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US 287 over Willow Creek?

The structure is 117 ft (35.7 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns US 287 over Willow Creek?

It is owned by the State Highway Agency.