US Bridges

Hayden Arch Road over Shoshone River

PoorPosted for load

Park County, Wyoming · 4.5 MI W-Sw of Cody Wy · Structure no. WYA-S-002

Built
1924
101 years old
Condition
Poor
inspected July 2023
Type
Arch - Deck
Concrete
Length
159 ft
1 main span
Daily traffic
100
2013 count
Owner
Federal
Bureau of Reclamation

About this bridge

Hayden Arch Road over Shoshone River is a concrete arch - deck carrying Hayden Arch Road over Shoshone River in Park County, Wyoming. It was built in 1924, so it is 101 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 110 by 2041. The structure is 159 ft (48.6 m) long and 23 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesHayden Arch Road
CrossesShoshone River
Location4.5 MI W-Sw of Cody Wy
RouteCounty Highway 0
CountyPark County
StateWyoming
Coordinates44.51028, -109.14714
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating25.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadH 15
Structure length159 ft (48.6 m)
Longest span124 ft (37.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic110 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hayden Arch Road over Shoshone River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Hayden Arch Road over Shoshone River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Hayden Arch Road over Shoshone River carry?

About 100 vehicles per day (2013 count).

How long is Hayden Arch Road over Shoshone River?

The structure is 159 ft (48.6 m) long with a longest span of 124 ft (37.8 m) and a deck 23 ft wide.

Who owns Hayden Arch Road over Shoshone River?

It is owned by the Bureau of Reclamation.