US Bridges

County Road over Willow Creek

PoorPosted for load

Uintah County, Utah · 12.5 Mi.S.Buck Cyn.Rd.Jct · Structure no. 047059C

Built
1975
50 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
13
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Willow Creek is a steel stringer/multi-beam or girder carrying County Road over Willow Creek in Uintah County, Utah. It was built in 1975, so it is 50 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 13 vehicles a day, projected to reach 16 by 2029. The structure is 40 ft (12.2 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesWillow Creek
Location12.5 Mi.S.Buck Cyn.Rd.Jct
RouteCounty Highway 0
CountyUintah County
StateUtah
Coordinates39.60194, -109.56989
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic13 (2010)
Projected traffic16 by 2029
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Willow Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is County Road over Willow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does County Road over Willow Creek carry?

About 13 vehicles per day (2010 count).

How long is County Road over Willow Creek?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 14 ft wide.

Who owns County Road over Willow Creek?

It is owned by the County Highway Agency.