US Bridges

Forest Road 370743 over Surveyor Creek

Good

Sublette County, Wyoming · T34N R108W S5 · Structure no. 040307000032031

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
50
2021 count
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 370743 over Surveyor Creek is a steel stringer/multi-beam or girder carrying Forest Road 370743 over Surveyor Creek in Sublette County, Wyoming. It was built in 2019, so it is 6 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 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 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesForest Road 370743
CrossesSurveyor Creek
LocationT34N R108W S5
RouteFederal Lands Road 37074
CountySublette County
StateWyoming
Coordinates42.94116, -109.77132
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 inspectionOctober 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span37 ft (11.4 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
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 370743 over Surveyor Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Forest Road 370743 over Surveyor 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 October 2023.

How much traffic does Forest Road 370743 over Surveyor Creek carry?

About 50 vehicles per day (2021 count).

How long is Forest Road 370743 over Surveyor Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.4 m) and a deck 16 ft wide.

Who owns Forest Road 370743 over Surveyor Creek?

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