US Bridges

Or 221 (hwy 150) over Palmer Creek

Fair

Yamhill County, Oregon · 007 MI E HWY 39 JCT · Structure no. 01470A150 00071

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
315 ft
3 main spans
Daily traffic
2,939
2022 count
Owner
State
State Highway Agency

About this bridge

Or 221 (hwy 150) over Palmer Creek is a prestressed concrete stringer/multi-beam or girder carrying Or 221 (hwy 150) over Palmer Creek in Yamhill County, Oregon. It was built in 1984, so it is 41 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 2,939 vehicles a day, roughly 18% of them trucks, projected to reach 3,200 by 2042. The structure is 315 ft (96 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesOr 221 (hwy 150)
CrossesPalmer Creek
Location007 MI E HWY 39 JCT
RouteState Highway 221
CountyYamhill County
StateOregon
Coordinates45.21886, -123.07178
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length315 ft (96 m)
Longest span105 ft (32 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,939 (2022)
Projected traffic3,200 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 221 (hwy 150) over Palmer Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Or 221 (hwy 150) over Palmer 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 June 2023.

How much traffic does Or 221 (hwy 150) over Palmer Creek carry?

About 2,939 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Or 221 (hwy 150) over Palmer Creek?

The structure is 315 ft (96 m) long with a longest span of 105 ft (32 m) and a deck 41 ft wide.

Who owns Or 221 (hwy 150) over Palmer Creek?

It is owned by the State Highway Agency.