US Bridges

Barstow Bridge RD over Kettle River

Good

Stevens County, Washington · 00.02 W JCT Pierrelk RD · Structure no. 088284000000000

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
1 main span
Daily traffic
443
2024 count
Owner
County
County Highway Agency

About this bridge

Barstow Bridge RD over Kettle River is a prestressed concrete stringer/multi-beam or girder carrying Barstow Bridge RD over Kettle River in Stevens County, Washington. It was built in 2011, so it is 14 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 443 vehicles a day, roughly 10% of them trucks, projected to reach 1,115 by 2039. The structure is 215 ft (65.5 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesBarstow Bridge RD
CrossesKettle River
Location00.02 W JCT Pierrelk RD
RouteCounty Highway 40640
Coordinates48.78452, -118.12596
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating50.7 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length215 ft (65.5 m)
Longest span210 ft (64 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic443 (2024)
Projected traffic1,115 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Barstow Bridge RD over Kettle River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Barstow Bridge RD over Kettle 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 Barstow Bridge RD over Kettle River carry?

About 443 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Barstow Bridge RD over Kettle River?

The structure is 215 ft (65.5 m) long with a longest span of 210 ft (64 m) and a deck 31 ft wide.

Who owns Barstow Bridge RD over Kettle River?

It is owned by the County Highway Agency.