US Bridges

Wyo 351 over Green River

Good

Sublette County, Wyoming · Big Piney Cutoff · Structure no. MWI

Built
2017
8 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
3 main spans
Daily traffic
911
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 351 over Green River is a steel continuous stringer/multi-beam or girder carrying Wyo 351 over Green River in Sublette County, Wyoming. It was built in 2017, so it is 8 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 911 vehicles a day, roughly 19% of them trucks, projected to reach 1,275 by 2043. The structure is 260 ft (79.2 m) long and 37 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesWyo 351
CrossesGreen River
LocationBig Piney Cutoff
RouteState Highway 351
StateWyoming
Coordinates42.57026, -109.95082
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating56.8 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length260 ft (79.2 m)
Longest span103 ft (31.4 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic911 (2024)
Projected traffic1,275 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 351 over Green River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Wyo 351 over Green 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 July 2024.

How much traffic does Wyo 351 over Green River carry?

About 911 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Wyo 351 over Green River?

The structure is 260 ft (79.2 m) long with a longest span of 103 ft (31.4 m) and a deck 37 ft wide.

Who owns Wyo 351 over Green River?

It is owned by the State Highway Agency.