US Bridges

Washington Way over Oak Creek

Good

Benton County, Oregon · 00.1 S of Washington Way · Structure no. 20749 000 00000

Built
2006
19 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
104
2010 count
Owner
State
Other State Agency

About this bridge

Washington Way over Oak Creek is a prestressed concrete slab carrying Washington Way over Oak Creek in Benton County, Oregon. It was built in 2006, so it is 19 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 104 vehicles a day, roughly 10% of them trucks, projected to reach 159 by 2030. The structure is 52 ft (15.9 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Way
CrossesOak Creek
Location00.1 S of Washington Way
RouteCity Street 0
StateOregon
Coordinates44.56217, -123.29116
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span52 ft (15.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2010)
Projected traffic159 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Way over Oak Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Washington Way over Oak Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Washington Way over Oak Creek carry?

About 104 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Washington Way over Oak Creek?

The structure is 52 ft (15.9 m) long with a longest span of 52 ft (15.9 m) and a deck 16 ft wide.

Who owns Washington Way over Oak Creek?

It is owned by the Other State Agency.