US Bridges

Oakshott Road over Colville River

Good

Stevens County, Washington · .44 E JCT Valley-Westside · Structure no. 086213000000000

Built
1996
29 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
1,224
2024 count
Owner
County
County Highway Agency

About this bridge

Oakshott Road over Colville River is a prestressed concrete stringer/multi-beam or girder carrying Oakshott Road over Colville River in Stevens County, Washington. It was built in 1996, so it is 29 years old, younger than the Washington average of 49.8 years.

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

It carries about 1,224 vehicles a day, roughly 5% of them trucks, projected to reach 1,750 by 2037. The structure is 90 ft (27.4 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOakshott Road
CrossesColville River
Location.44 E JCT Valley-Westside
RouteCounty Highway 33900
Coordinates48.5433, -117.93206
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,224 (2024)
Projected traffic1,750 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oakshott Road over Colville River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Oakshott Road over Colville River 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 September 2024.

How much traffic does Oakshott Road over Colville River carry?

About 1,224 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Oakshott Road over Colville River?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 35 ft wide.

Who owns Oakshott Road over Colville River?

It is owned by the County Highway Agency.