US Bridges

SR 507 & Pearl ST over China Crk

Fair

Lewis County, Washington · 0.7 S JCT SR 507 · Structure no. 000000CP0000000

Built
1918
107 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
5,822
2023 count
Owner
State
State Highway Agency

About this bridge

SR 507 & Pearl ST over China Crk is a concrete tee beam carrying SR 507 & Pearl ST over China Crk in Lewis County, Washington. It was built in 1918, so it is 107 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 5,822 vehicles a day, roughly 4% of them trucks, projected to reach 7,828 by 2039. The structure is 30 ft (9.1 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 507 & Pearl ST
CrossesChina Crk
Location0.7 S JCT SR 507
RouteState Highway 507
CountyLewis County
StateWashington
Coordinates46.71908, -122.95442
Functional classUrban Minor Arterial

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.
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,822 (2023)
Projected traffic7,828 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$598,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 507 & Pearl ST over China Crk built?

It was built in 1918, making it 107 years old in 2025.

What condition is SR 507 & Pearl ST over China Crk 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 September 2023.

How much traffic does SR 507 & Pearl ST over China Crk carry?

About 5,822 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 507 & Pearl ST over China Crk?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 60 ft wide.

Who owns SR 507 & Pearl ST over China Crk?

It is owned by the State Highway Agency.