US Bridges

SB Cnty RD 144 over Willow Creek

Good

Sublette County, Wyoming · 4 Mi. N.W. of Pinedale · Structure no. EMY

Built
1963
62 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
118
2024 count
Owner
County
County Highway Agency

About this bridge

SB Cnty RD 144 over Willow Creek is a concrete continuous culvert carrying SB Cnty RD 144 over Willow Creek in Sublette County, Wyoming. It was built in 1963, so it is 62 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 118 vehicles a day, roughly 3% of them trucks, projected to reach 165 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesSB Cnty RD 144
CrossesWillow Creek
Location4 Mi. N.W. of Pinedale
RouteCounty Highway 144
StateWyoming
Coordinates42.89596, -109.90667
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2024)
Projected traffic165 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$38,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SB Cnty RD 144 over Willow Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is SB Cnty RD 144 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 July 2023.

How much traffic does SB Cnty RD 144 over Willow Creek carry?

About 118 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SB Cnty RD 144 over Willow Creek?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m).

Who owns SB Cnty RD 144 over Willow Creek?

It is owned by the County Highway Agency.