US Bridges

Or 206 (hwy 300) over Rhea Creek

Fair

Morrow County, Oregon · 10.8 Mi. Sw. Jct. or 74 · Structure no. 02104 300 07337

Built
1935
90 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
108 ft
3 main spans
Daily traffic
288
2022 count
Owner
State
State Highway Agency

About this bridge

Or 206 (hwy 300) over Rhea Creek is a concrete continuous tee beam carrying Or 206 (hwy 300) over Rhea Creek in Morrow County, Oregon. It was built in 1935, so it is 90 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 288 vehicles a day, roughly 20% of them trucks, projected to reach 310 by 2042. The structure is 108 ft (32.9 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesOr 206 (hwy 300)
CrossesRhea Creek
Location10.8 Mi. Sw. Jct. or 74
RouteState Highway 206
StateOregon
Coordinates45.26348, -119.68861
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length108 ft (32.9 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2022)
Projected traffic310 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Rhea Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Or 206 (hwy 300) over Rhea Creek 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 February 2023.

How much traffic does Or 206 (hwy 300) over Rhea Creek carry?

About 288 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Or 206 (hwy 300) over Rhea Creek?

The structure is 108 ft (32.9 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns Or 206 (hwy 300) over Rhea Creek?

It is owned by the State Highway Agency.