US Bridges

Forest Road 30410 over Gros Ventre River

Good

Teton County, Wyoming · 24 Mi. Ne. of Jackson Wy · Structure no. 040304000012980

Built
2011
14 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
140 ft
2 main spans
Daily traffic
100
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 30410 over Gros Ventre River is a prestressed concrete tee beam carrying Forest Road 30410 over Gros Ventre River in Teton County, Wyoming. It was built in 2011, so it is 14 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 100 vehicles a day, projected to reach 150 by 2045. The structure is 140 ft (42.7 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesForest Road 30410
CrossesGros Ventre River
Location24 Mi. Ne. of Jackson Wy
RouteFederal Lands Road 30410
StateWyoming
Coordinates43.57608, -110.31112
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating28.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span69 ft (20.9 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic150 by 2045
Trucks—
Lanes on structure2
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 30410 over Gros Ventre River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Forest Road 30410 over Gros Ventre 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 October 2024.

How much traffic does Forest Road 30410 over Gros Ventre River carry?

About 100 vehicles per day (2018 count).

How long is Forest Road 30410 over Gros Ventre River?

The structure is 140 ft (42.7 m) long with a longest span of 69 ft (20.9 m) and a deck 16 ft wide.

Who owns Forest Road 30410 over Gros Ventre River?

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