US Bridges

Forest Road 31000 over Fall Creek

Good

Teton County, Wyoming · 11 Mi. S. of Jackson Wy · Structure no. 040304000016331

Built
2014
11 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 31000 over Fall Creek is a prestressed concrete tee beam carrying Forest Road 31000 over Fall Creek in Teton County, Wyoming. It was built in 2014, so it is 11 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 56 ft (17.1 m) long and 28 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesForest Road 31000
CrossesFall Creek
Location11 Mi. S. of Jackson Wy
RouteFederal Lands Road 31000
StateWyoming
Coordinates43.328, -110.79809
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating24.3 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 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 31000 over Fall Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Forest Road 31000 over Fall 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 September 2024.

How much traffic does Forest Road 31000 over Fall Creek carry?

About 50 vehicles per day (latest count).

How long is Forest Road 31000 over Fall Creek?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 28 ft wide.

Who owns Forest Road 31000 over Fall Creek?

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