US Bridges

Fdr over N.Fork Shoshone

Good

Park County, Wyoming · 34 Miles West of Cody Wy · Structure no. 021404000001021

Built
1940
85 years old, rebuilt 1999
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
25
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr over N.Fork Shoshone is a steel stringer/multi-beam or girder carrying Fdr over N.Fork Shoshone in Park County, Wyoming. It was built in 1940 and reconstructed in 1999, so it is 85 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 102 ft (31.2 m) long and 14 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr
CrossesN.Fork Shoshone
Location34 Miles West of Cody Wy
RouteFederal Lands Road 435.1
StateWyoming
Coordinates44.45896, -109.74632
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span100 ft (30.4 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2018)
Projected traffic37 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr over N.Fork Shoshone built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1999.

What condition is Fdr over N.Fork Shoshone 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 Fdr over N.Fork Shoshone carry?

About 25 vehicles per day (2018 count).

How long is Fdr over N.Fork Shoshone?

The structure is 102 ft (31.2 m) long with a longest span of 100 ft (30.4 m) and a deck 14 ft wide.

Who owns Fdr over N.Fork Shoshone?

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