US Bridges

US 287 over Unnamed Draw

Good

Carbon County, Wyoming · Rawlins - Muddy Gap JCT · Structure no. BTX

Built
1971
54 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
127 ft
4 main spans
Daily traffic
2,975
2024 count
Owner
State
State Highway Agency

About this bridge

US 287 over Unnamed Draw is a concrete continuous tee beam carrying US 287 over Unnamed Draw in Carbon County, Wyoming. It was built in 1971, so it is 54 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 2,975 vehicles a day, roughly 7% of them trucks, projected to reach 4,165 by 2043. The structure is 127 ft (38.6 m) long and 39 ft wide.

CarriesUS 287
CrossesUnnamed Draw
LocationRawlins - Muddy Gap JCT
RouteU.S. Route 287
StateWyoming
Coordinates42.18827, -107.45334
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length127 ft (38.6 m)
Longest span35 ft (10.7 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,975 (2024)
Projected traffic4,165 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$89,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 287 over Unnamed Draw built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 287 over Unnamed Draw 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 May 2023.

How much traffic does US 287 over Unnamed Draw carry?

About 2,975 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is US 287 over Unnamed Draw?

The structure is 127 ft (38.6 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.

Who owns US 287 over Unnamed Draw?

It is owned by the State Highway Agency.