US Bridges

Pa Cnty RD 6EH over S Fork Shoshone River

Fair

Park County, Wyoming · 34 Miles S.W. of Cody · Structure no. EGT

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
101 ft
2 main spans
Daily traffic
130
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD 6EH over S Fork Shoshone River is a concrete channel beam carrying Pa Cnty RD 6EH over S Fork Shoshone River in Park County, Wyoming. It was built in 1964, so it is 61 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 130 vehicles a day, roughly 12% of them trucks, projected to reach 182 by 2043. The structure is 101 ft (30.8 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesPa Cnty RD 6EH
CrossesS Fork Shoshone River
Location34 Miles S.W. of Cody
RouteCounty Highway 6EH
CountyPark County
StateWyoming
Coordinates44.29702, -109.47701
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span50 ft (15.2 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic182 by 2043
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$57,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Cnty RD 6EH over S Fork Shoshone River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Pa Cnty RD 6EH over S Fork Shoshone River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Pa Cnty RD 6EH over S Fork Shoshone River carry?

About 130 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Pa Cnty RD 6EH over S Fork Shoshone River?

The structure is 101 ft (30.8 m) long with a longest span of 50 ft (15.2 m) and a deck 15 ft wide.

Who owns Pa Cnty RD 6EH over S Fork Shoshone River?

It is owned by the County Highway Agency.