US Bridges

US 26 (hwy 047) over Wolf Creek

Fair

Washington County, Oregon · 16.1 MI W HWY 37 JCT · Structure no. 02029 047 03738

Built
1938
87 years old, rebuilt 1995
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
6,383
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 047) over Wolf Creek is a concrete continuous tee beam carrying US 26 (hwy 047) over Wolf Creek in Washington County, Oregon. It was built in 1938 and reconstructed in 1995, so it is 87 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 6,383 vehicles a day, roughly 10% of them trucks, projected to reach 8,800 by 2042. The structure is 130 ft (39.6 m) long and 47 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesUS 26 (hwy 047)
CrossesWolf Creek
Location16.1 MI W HWY 37 JCT
RouteU.S. Route 26
CountyWashington County
StateOregon
Coordinates45.761, -123.30682
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length130 ft (39.6 m)
Longest span54 ft (16.5 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,383 (2022)
Projected traffic8,800 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 26 (hwy 047) over Wolf Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1995.

What condition is US 26 (hwy 047) over Wolf 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 May 2023.

How much traffic does US 26 (hwy 047) over Wolf Creek carry?

About 6,383 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is US 26 (hwy 047) over Wolf Creek?

The structure is 130 ft (39.6 m) long with a longest span of 54 ft (16.5 m) and a deck 47 ft wide.

Who owns US 26 (hwy 047) over Wolf Creek?

It is owned by the State Highway Agency.