US Bridges

Or 206 (hwy 300) over John Day River

Fair

Sherman County, Oregon · 150 MI SE Wasco · Structure no. 04623A300 01495

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
441 ft
4 main spans
Daily traffic
408
2022 count
Owner
State
State Highway Agency

About this bridge

Or 206 (hwy 300) over John Day River is a concrete continuous box beam or girders - multiple carrying Or 206 (hwy 300) over John Day River in Sherman County, Oregon. It was built in 1962, so it is 63 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 408 vehicles a day, roughly 28% of them trucks, projected to reach 430 by 2042. The structure is 441 ft (134.4 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOr 206 (hwy 300)
CrossesJohn Day River
Location150 MI SE Wasco
RouteState Highway 206
StateOregon
Coordinates45.477, -120.4697
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length441 ft (134.4 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic408 (2022)
Projected traffic430 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 John Day River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Or 206 (hwy 300) over John Day 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 August 2024.

How much traffic does Or 206 (hwy 300) over John Day River carry?

About 408 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is Or 206 (hwy 300) over John Day River?

The structure is 441 ft (134.4 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Or 206 (hwy 300) over John Day River?

It is owned by the State Highway Agency.