US Bridges

FR 10156 over Tosi Creek

Good

Sublette County, Wyoming · 6 Mi. N. of Forest Boun. · Structure no. 040307000036026

Built
1960
65 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

FR 10156 over Tosi Creek is a steel stringer/multi-beam or girder carrying FR 10156 over Tosi Creek in Sublette County, Wyoming. It was built in 1960, so it is 65 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 80 ft (24.4 m) long and 24 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFR 10156
CrossesTosi Creek
Location6 Mi. N. of Forest Boun.
RouteFederal Lands Road 37060
StateWyoming
Coordinates43.30855, -110.02341
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating65.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span79 ft (24.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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 FR 10156 over Tosi Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is FR 10156 over Tosi 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 September 2024.

How much traffic does FR 10156 over Tosi Creek carry?

About 50 vehicles per day (latest count).

How long is FR 10156 over Tosi Creek?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.2 m) and a deck 24 ft wide.

Who owns FR 10156 over Tosi Creek?

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