US Bridges

Oak ST over China Creek

Fair

Lewis County, Washington · .1 S Jct. FAS1027 · Structure no. 085099000000000

Built
1941
84 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
209
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak ST over China Creek is a concrete continuous slab carrying Oak ST over China Creek in Lewis County, Washington. It was built in 1941, so it is 84 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 209 vehicles a day, roughly 20% of them trucks, projected to reach 260 by 2039. The structure is 30 ft (9.1 m) long and 60 ft wide.

CarriesOak ST
CrossesChina Creek
Location.1 S Jct. FAS1027
RouteCity Street 18016
Coordinates46.71695, -122.9605
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry8: Equal 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 length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width60 ft (18.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2022)
Projected traffic260 by 2039
Trucks20%
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 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 Oak ST over China Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Oak 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 November 2023.

How much traffic does Oak ST over China Creek carry?

About 209 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Oak ST over China Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 60 ft wide.

Who owns Oak ST over China Creek?

It is owned by the City or Municipal Highway Agency.