US Bridges

SR 6 over Jones Creek

Good

Lewis County, Washington · 5.7 E Pacific CO · Structure no. 0001490A0000000

Built
1931
94 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
2,524
2023 count
Owner
State
State Highway Agency

About this bridge

SR 6 over Jones Creek is a concrete tee beam carrying SR 6 over Jones Creek in Lewis County, Washington. It was built in 1931, so it is 94 years old, older 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 2,524 vehicles a day, roughly 12% of them trucks, projected to reach 3,078 by 2039. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 6
CrossesJones Creek
Location5.7 E Pacific CO
RouteState Highway 6
Coordinates46.59572, -123.27931
Functional classRural Minor Arterial

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.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,524 (2023)
Projected traffic3,078 by 2039
Trucks12%
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

OwnerState Highway Agency
Maintained byState 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$608,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 6 over Jones Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is SR 6 over Jones 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 September 2024.

How much traffic does SR 6 over Jones Creek carry?

About 2,524 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 6 over Jones Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 27 ft wide.

Who owns SR 6 over Jones Creek?

It is owned by the State Highway Agency.