US Bridges

US 26 (hwy 047) EB over Pnwr & Vadis

Fair

Washington County, Oregon · 17.0 MI W Portland Swcl · Structure no. 02367A047 05569

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
580 ft
5 main spans
Daily traffic
11,858
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 047) EB over Pnwr & Vadis is a prestressed concrete continuous stringer/multi-beam or girder carrying US 26 (hwy 047) EB over Pnwr & Vadis in Washington County, Oregon. It was built in 1971, so it is 54 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 5 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 11,858 vehicles a day, roughly 2% of them trucks, projected to reach 16,850 by 2042. The structure is 580 ft (176.8 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 26 (hwy 047) EB
CrossesPnwr & Vadis
Location17.0 MI W Portland Swcl
RouteU.S. Route 26
StateOregon
Coordinates45.6005, -123.0238
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length580 ft (176.8 m)
Longest span115 ft (35.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,858 (2022)
Projected traffic16,850 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 26 (hwy 047) EB over Pnwr & Vadis built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 26 (hwy 047) EB over Pnwr & Vadis 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 September 2024.

How much traffic does US 26 (hwy 047) EB over Pnwr & Vadis carry?

About 11,858 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is US 26 (hwy 047) EB over Pnwr & Vadis?

The structure is 580 ft (176.8 m) long with a longest span of 115 ft (35.1 m) and a deck 43 ft wide.

Who owns US 26 (hwy 047) EB over Pnwr & Vadis?

It is owned by the State Highway Agency.