US Bridges

Or 206 (hwy 300) over Hay Canyon

Fair

Sherman County, Oregon · 066 MI SE Wasco · Structure no. 08613 300 00663

Built
1959
66 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
146 ft
3 main spans
Daily traffic
357
2022 count
Owner
State
State Highway Agency

About this bridge

Or 206 (hwy 300) over Hay Canyon is a concrete continuous tee beam carrying Or 206 (hwy 300) over Hay Canyon in Sherman County, Oregon. It was built in 1959, so it is 66 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.

It carries about 357 vehicles a day, roughly 26% of them trucks, projected to reach 380 by 2042. The structure is 146 ft (44.5 m) long and 31 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesOr 206 (hwy 300)
CrossesHay Canyon
Location066 MI SE Wasco
RouteState Highway 206
StateOregon
Coordinates45.52792, -120.60387
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic357 (2022)
Projected traffic380 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 206 (hwy 300) over Hay Canyon built?

It was built in 1959, making it 66 years old in 2025.

What condition is Or 206 (hwy 300) 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 Or 206 (hwy 300) over Hay Canyon carry?

About 357 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is Or 206 (hwy 300) over Hay Canyon?

The structure is 146 ft (44.5 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns Or 206 (hwy 300) over Hay Canyon?

It is owned by the State Highway Agency.