US Bridges

S. Lakeshore Road over Slide Ridge Chute

Good

Chelan County, Washington · 3.0 N JCT SR971 · Structure no. 089298000000000

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
802
2022 count
Owner
County
County Highway Agency

About this bridge

S. Lakeshore Road over Slide Ridge Chute is a prestressed concrete tee beam carrying S. Lakeshore Road over Slide Ridge Chute in Chelan County, Washington. It was built in 2022, so it is 3 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 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 802 vehicles a day, roughly 8% of them trucks, projected to reach 600 by 2042. The structure is 107 ft (32.7 m) long and 41 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesS. Lakeshore Road
CrossesSlide Ridge Chute
Location3.0 N JCT SR971
RouteCounty Highway 94710
Coordinates47.914, -120.21287
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length107 ft (32.7 m)
Longest span99 ft (30.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic802 (2022)
Projected traffic600 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S. Lakeshore Road over Slide Ridge Chute built?

It was built in 2022, making it 3 years old in 2025.

What condition is S. Lakeshore Road over Slide Ridge Chute 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 May 2024.

How much traffic does S. Lakeshore Road over Slide Ridge Chute carry?

About 802 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is S. Lakeshore Road over Slide Ridge Chute?

The structure is 107 ft (32.7 m) long with a longest span of 99 ft (30.3 m) and a deck 41 ft wide.

Who owns S. Lakeshore Road over Slide Ridge Chute?

It is owned by the County Highway Agency.