US Bridges

Washington ST over Powder River

Fair

Baker County, Oregon · City of Baker · Structure no. 04T01 000 00035

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
4,837
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington ST over Powder River is a steel stringer/multi-beam or girder carrying Washington ST over Powder River in Baker County, Oregon. It was built in 1974, so it is 51 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 4,837 vehicles a day, roughly 5% of them trucks, projected to reach 5,587 by 2025. The structure is 43 ft (13.1 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWashington ST
CrossesPowder River
LocationCity of Baker
RouteCity Street 4890
StateOregon
Coordinates44.7771, -117.8272
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating28.2 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.6 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,837 (2020)
Projected traffic5,587 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Washington ST over Powder River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Washington ST over Powder River 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 Washington ST over Powder River carry?

About 4,837 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Washington ST over Powder River?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns Washington ST over Powder River?

It is owned by the City or Municipal Highway Agency.