US Bridges

Or 18 (hwy 39) over Or 221 (hwy 150)

Fair

Yamhill County, Oregon · 008 MI SW HWY 1W JCT · Structure no. 08013 039 05138

Built
1957
68 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
22,538
2022 count
Owner
State
State Highway Agency

About this bridge

Or 18 (hwy 39) over Or 221 (hwy 150) is a concrete continuous tee beam carrying Or 18 (hwy 39) over Or 221 (hwy 150) in Yamhill County, Oregon. It was built in 1957, so it is 68 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 22,538 vehicles a day, roughly 4% of them trucks, projected to reach 22,600 by 2042. The structure is 110 ft (33.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesOr 18 (hwy 39)
CrossesOr 221 (hwy 150)
Location008 MI SW HWY 1W JCT
RouteState Highway 18
CountyYamhill County
StateOregon
Coordinates45.22508, -123.08074
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span44 ft (13.4 m)
Deck width51 ft (15.4 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,538 (2022)
Projected traffic22,600 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$564,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 18 (hwy 39) over Or 221 (hwy 150) built?

It was built in 1957, making it 68 years old in 2025.

What condition is Or 18 (hwy 39) over Or 221 (hwy 150) 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 November 2024.

How much traffic does Or 18 (hwy 39) over Or 221 (hwy 150) carry?

About 22,538 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Or 18 (hwy 39) over Or 221 (hwy 150)?

The structure is 110 ft (33.5 m) long with a longest span of 44 ft (13.4 m) and a deck 51 ft wide.

Who owns Or 18 (hwy 39) over Or 221 (hwy 150)?

It is owned by the State Highway Agency.