US Bridges

Or 221 (hwy 150) over Spring Valley Creek

Fair

Polk County, Oregon · 016 MI S of Polk CO Line · Structure no. 01420A150 01250

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
1 main span
Daily traffic
6,653
2022 count
Owner
State
State Highway Agency

About this bridge

Or 221 (hwy 150) over Spring Valley Creek is a prestressed concrete stringer/multi-beam or girder carrying Or 221 (hwy 150) over Spring Valley Creek in Polk County, Oregon. It was built in 1989, so it is 36 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 6,653 vehicles a day, roughly 6% of them trucks, projected to reach 6,800 by 2042. The structure is 140 ft (42.7 m) long and 43 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesOr 221 (hwy 150)
CrossesSpring Valley Creek
Location016 MI S of Polk CO Line
RouteState Highway 221
CountyPolk County
StateOregon
Coordinates45.05437, -123.08133
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length140 ft (42.7 m)
Longest span140 ft (42.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,653 (2022)
Projected traffic6,800 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Spring Valley Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Or 221 (hwy 150) over Spring Valley 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 Spring Valley Creek carry?

About 6,653 vehicles per day (2022 count), of which roughly 6% are trucks.

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

The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 43 ft wide.

Who owns Or 221 (hwy 150) over Spring Valley Creek?

It is owned by the State Highway Agency.