US Bridges

Westside Calispel over Winchester Creek

Good

Pend Oreille County, Washington · 6.0 M West of SR 20 · Structure no. 088142000000000

Built
2005
20 years old
Condition
Good
inspected August 2024
Type
Other
Concrete
Length
28 ft
1 main span
Daily traffic
72
2022 count
Owner
County
County Highway Agency

About this bridge

Westside Calispel over Winchester Creek is a concrete other carrying Westside Calispel over Winchester Creek in Pend Oreille County, Washington. It was built in 2005, so it is 20 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 72 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2042. The structure is 28 ft (8.5 m) long and 34 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesWestside Calispel
CrossesWinchester Creek
Location6.0 M West of SR 20
RouteCounty Highway 92050
Coordinates48.28028, -117.36394
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeOther
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2022)
Projected traffic200 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Westside Calispel over Winchester Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Westside Calispel over Winchester 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 August 2024.

How much traffic does Westside Calispel over Winchester Creek carry?

About 72 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Westside Calispel over Winchester Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns Westside Calispel over Winchester Creek?

It is owned by the County Highway Agency.