US Bridges

Forest Road 10046 over North Piney Creek

Fair

Sublette County, Wyoming · 23 Mi. W. of Big Piney Wy · Structure no. 040302000020894

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
105 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 10046 over North Piney Creek is a steel truss - thru carrying Forest Road 10046 over North Piney Creek in Sublette County, Wyoming. It was built in 1957, so it is 68 years old, older 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.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 105 ft (32 m) long and 13 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesForest Road 10046
CrossesNorth Piney Creek
Location23 Mi. W. of Big Piney Wy
RouteFederal Lands Road 10046
StateWyoming
Coordinates42.66104, -110.4903
Functional classRural Local

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 25 or greater
Structure length105 ft (32 m)
Longest span101 ft (30.7 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Road 10046 over North Piney Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Forest Road 10046 over North Piney Creek 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 September 2024.

How much traffic does Forest Road 10046 over North Piney Creek carry?

About 50 vehicles per day (latest count).

How long is Forest Road 10046 over North Piney Creek?

The structure is 105 ft (32 m) long with a longest span of 101 ft (30.7 m) and a deck 13 ft wide.

Who owns Forest Road 10046 over North Piney Creek?

It is owned by the U.S. Forest Service.