US Bridges

Oak Ridge Road over N Yamhill River

Fair

Yamhill County, Oregon · W of Yamhill on 244 · Structure no. 06610C244

Built
1981
44 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
2,200
2018 count
Owner
County
County Highway Agency

About this bridge

Oak Ridge Road over N Yamhill River is a prestressed concrete slab carrying Oak Ridge Road over N Yamhill River in Yamhill County, Oregon. It was built in 1981, so it is 44 years old, younger 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 2,200 vehicles a day, roughly 19% of them trucks, projected to reach 2,300 by 2038. The structure is 141 ft (43 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOak Ridge Road
CrossesN Yamhill River
LocationW of Yamhill on 244
RouteCounty Highway C0244
StateOregon
Coordinates45.34602, -123.2294
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length141 ft (43 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2018)
Projected traffic2,300 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Oak Ridge Road over N Yamhill River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Oak Ridge Road over N Yamhill 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 October 2024.

How much traffic does Oak Ridge Road over N Yamhill River carry?

About 2,200 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is Oak Ridge Road over N Yamhill River?

The structure is 141 ft (43 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns Oak Ridge Road over N Yamhill River?

It is owned by the County Highway Agency.