US Bridges

Ford - Welpinit RD over Chamokane Creek

Good

Stevens County, Washington · 00.07 W JCT SR 231 · Structure no. 086846000000000

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
116 ft
1 main span
Daily traffic
665
2024 count
Owner
County
County Highway Agency

About this bridge

Ford - Welpinit RD over Chamokane Creek is a prestressed concrete tee beam carrying Ford - Welpinit RD over Chamokane Creek in Stevens County, Washington. It was built in 2001, so it is 24 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 665 vehicles a day, roughly 10% of them trucks, projected to reach 1,250 by 2037. The structure is 116 ft (35.4 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFord - Welpinit RD
CrossesChamokane Creek
Location00.07 W JCT SR 231
RouteCounty Highway 12560
Coordinates47.90866, -117.80847
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length116 ft (35.4 m)
Longest span114 ft (34.7 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic665 (2024)
Projected traffic1,250 by 2037
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ford - Welpinit RD over Chamokane Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Ford - Welpinit RD over Chamokane 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 October 2023.

How much traffic does Ford - Welpinit RD over Chamokane Creek carry?

About 665 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Ford - Welpinit RD over Chamokane Creek?

The structure is 116 ft (35.4 m) long with a longest span of 114 ft (34.7 m) and a deck 36 ft wide.

Who owns Ford - Welpinit RD over Chamokane Creek?

It is owned by the County Highway Agency.