US Bridges

Walnut ST over China Creek

FairPosted for load

Lewis County, Washington · .4 N Jct. SR 507 · Structure no. 085095000000000

Built
1946
79 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
5
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut ST over China Creek is a concrete continuous slab carrying Walnut ST over China Creek in Lewis County, Washington. It was built in 1946, so it is 79 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 35 by 2040. The structure is 32 ft (9.8 m) long and 60 ft wide.

CarriesWalnut ST
CrossesChina Creek
Location.4 N Jct. SR 507
RouteCity Street 18011
Coordinates46.71603, -122.96561
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span13 ft (3.9 m)
Deck width60 ft (18.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic35 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Walnut ST over China Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is Walnut ST over China Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Walnut ST over China Creek carry?

About 5 vehicles per day (2024 count).

How long is Walnut ST over China Creek?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (3.9 m) and a deck 60 ft wide.

Who owns Walnut ST over China Creek?

It is owned by the City or Municipal Highway Agency.