US Bridges

2317: Three Forks- over Sweetwater River

Good

Carbon County, Wyoming · 30 Miles S Lander Wy · Structure no. 000000000L59239

Built
1979
46 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
30
2022 count
Owner
Federal
Bureau of Land Management

About this bridge

2317: Three Forks- over Sweetwater River is a prestressed concrete stringer/multi-beam or girder carrying 2317: Three Forks- over Sweetwater River in Carbon County, Wyoming. It was built in 1979, so it is 46 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 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 30 vehicles a day, projected to reach 30 by 2040. The structure is 96 ft (29.3 m) long and 17 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Carries2317: Three Forks-
CrossesSweetwater River
Location30 Miles S Lander Wy
RouteFederal Lands Road 0
StateWyoming
Coordinates42.39292, -108.62685
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span92 ft (28 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 2317: Three Forks- over Sweetwater River built?

It was built in 1979, making it 46 years old in 2025.

What condition is 2317: Three Forks- over Sweetwater River 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 May 2024.

How much traffic does 2317: Three Forks- over Sweetwater River carry?

About 30 vehicles per day (2022 count).

How long is 2317: Three Forks- over Sweetwater River?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28 m) and a deck 17 ft wide.

Who owns 2317: Three Forks- over Sweetwater River?

It is owned by the Bureau of Land Management.