US Bridges

Hay Canyon Road over Hay Canyon

FairPosted for load

Sherman County, Oregon · 0.4 MI S of HWY 206 · Structure no. 55C013062800050

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
112
2020 count
Owner
County
County Highway Agency

About this bridge

Hay Canyon Road over Hay Canyon is a concrete continuous slab carrying Hay Canyon Road over Hay Canyon in Sherman County, Oregon. It was built in 1961, so it is 64 years old, older than the Oregon average of 49.9 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. Its operating status is: posted for load restriction.

It carries about 112 vehicles a day, roughly 10% of them trucks, projected to reach 112 by 2025. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHay Canyon Road
CrossesHay Canyon
Location0.4 MI S of HWY 206
RouteCounty Highway 0
CountySherman County
StateOregon
Coordinates45.52258, -120.60531
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2020)
Projected traffic112 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Hay Canyon Road over Hay Canyon built?

It was built in 1961, making it 64 years old in 2025.

What condition is Hay Canyon Road over Hay Canyon 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 August 2024.

How much traffic does Hay Canyon Road over Hay Canyon carry?

About 112 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Hay Canyon Road over Hay Canyon?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Hay Canyon Road over Hay Canyon?

It is owned by the County Highway Agency.