US Bridges

Ui Cnty RD 279 over Willow Creek

Good

Uinta County, Wyoming · 3 Mi. S.E. of Robertson · Structure no. FIE

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
103
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 279 over Willow Creek is a steel stringer/multi-beam or girder carrying Ui Cnty RD 279 over Willow Creek in Uinta County, Wyoming. It was built in 1984, so it is 41 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 103 vehicles a day, roughly 7% of them trucks, projected to reach 144 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesUi Cnty RD 279
CrossesWillow Creek
Location3 Mi. S.E. of Robertson
RouteCounty Highway 279
StateWyoming
Coordinates41.15183, -110.4412
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2024)
Projected traffic144 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 279 over Willow Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ui Cnty RD 279 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 June 2023.

How much traffic does Ui Cnty RD 279 over Willow Creek carry?

About 103 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ui Cnty RD 279 over Willow Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Ui Cnty RD 279 over Willow Creek?

It is owned by the County Highway Agency.