US Bridges

Forest Road 10299 over Big Sandy Creek

Good

Sublette County, Wyoming · No Data Entered · Structure no. 040307000001005

Built
1974
51 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
1 main span
Daily traffic
100
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 10299 over Big Sandy Creek is a wood or timber stringer/multi-beam or girder carrying Forest Road 10299 over Big Sandy Creek in Sublette County, Wyoming. It was built in 1974, so it is 51 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2045. The structure is 32 ft (9.8 m) long and 15 ft wide.

CarriesForest Road 10299
CrossesBig Sandy Creek
LocationNo Data Entered
RouteFederal Lands Road 37085
StateWyoming
Coordinates42.67658, -109.27112
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 15
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (—)
Projected traffic150 by 2045
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$67,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Road 10299 over Big Sandy Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Forest Road 10299 over Big Sandy 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 10299 over Big Sandy Creek carry?

About 100 vehicles per day (latest count), of which roughly 10% are trucks.

How long is Forest Road 10299 over Big Sandy Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 15 ft wide.

Who owns Forest Road 10299 over Big Sandy Creek?

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