US Bridges

Pa Cnty RD 6QS over S Fork Shoshone River

Fair

Park County, Wyoming · 12 Mi. S.W. of Cody · Structure no. DGJ

Built
1979
46 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
173 ft
3 main spans
Daily traffic
91
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD 6QS over S Fork Shoshone River is a steel continuous stringer/multi-beam or girder carrying Pa Cnty RD 6QS over S Fork Shoshone River in Park County, Wyoming. It was built in 1979, so it is 46 years old, younger 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 91 vehicles a day, roughly 9% of them trucks, projected to reach 127 by 2043. The structure is 173 ft (52.7 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPa Cnty RD 6QS
CrossesS Fork Shoshone River
Location12 Mi. S.W. of Cody
RouteCounty Highway 6QS
CountyPark County
StateWyoming
Coordinates44.43257, -109.2529
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span66 ft (20.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2024)
Projected traffic127 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$70,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1979, making it 46 years old in 2025.

What condition is Pa Cnty RD 6QS 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 6QS over S Fork Shoshone River carry?

About 91 vehicles per day (2024 count), of which roughly 9% are trucks.

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

The structure is 173 ft (52.7 m) long with a longest span of 66 ft (20.1 m) and a deck 27 ft wide.

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

It is owned by the County Highway Agency.