US Bridges

Ui Cnty RD 271 over Pine Grove Canal

FairPosted for load

Uinta County, Wyoming · 5 Mi. W. of Robertson · Structure no. ERO

Built
1978
47 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
34 ft
1 main span
Daily traffic
271
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 271 over Pine Grove Canal is a wood or timber stringer/multi-beam or girder carrying Ui Cnty RD 271 over Pine Grove Canal in Uinta County, Wyoming. It was built in 1978, so it is 47 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 271 vehicles a day, roughly 21% of them trucks, projected to reach 379 by 2043. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesUi Cnty RD 271
CrossesPine Grove Canal
Location5 Mi. W. of Robertson
RouteCounty Highway 271
CountyUinta County
StateWyoming
Coordinates41.17962, -110.5101
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating24.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271 (2024)
Projected traffic379 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 271 over Pine Grove Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ui Cnty RD 271 over Pine Grove Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does Ui Cnty RD 271 over Pine Grove Canal carry?

About 271 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Ui Cnty RD 271 over Pine Grove Canal?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns Ui Cnty RD 271 over Pine Grove Canal?

It is owned by the County Highway Agency.