US Bridges

Pa Cnty RD 6KV over N Fork Shoshone River

Fair

Park County, Wyoming · 15 Miles West of Cody · Structure no. FNL

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
3 main spans
Daily traffic
270
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD 6KV over N Fork Shoshone River is a prestressed concrete stringer/multi-beam or girder carrying Pa Cnty RD 6KV over N Fork Shoshone River in Park County, Wyoming. It was built in 1990, so it is 35 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 5 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 270 vehicles a day, roughly 7% of them trucks, projected to reach 378 by 2043. The structure is 300 ft (91.4 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesPa Cnty RD 6KV
CrossesN Fork Shoshone River
Location15 Miles West of Cody
RouteCounty Highway 6KV
StateWyoming
Coordinates44.48295, -109.33116
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2024)
Projected traffic378 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Cnty RD 6KV over N Fork Shoshone River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Pa Cnty RD 6KV over N 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 6KV over N Fork Shoshone River carry?

About 270 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pa Cnty RD 6KV over N Fork Shoshone River?

The structure is 300 ft (91.4 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns Pa Cnty RD 6KV over N Fork Shoshone River?

It is owned by the County Highway Agency.