US Bridges

Wildwood Road over S.Fork Chehalis River

Fair

Lewis County, Washington · 11.5 S Curtis · Structure no. 082209000000000

Built
1970
55 years old
Condition
Fair
inspected December 2022
Type
Tee Beam
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
174
2019 count
Owner
County
County Highway Agency

About this bridge

Wildwood Road over S.Fork Chehalis River is a concrete continuous tee beam carrying Wildwood Road over S.Fork Chehalis River in Lewis County, Washington. It was built in 1970, so it is 55 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.

It carries about 174 vehicles a day, roughly 37% of them trucks, projected to reach 315 by 2039. The structure is 130 ft (39.6 m) long and 30 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesWildwood Road
CrossesS.Fork Chehalis River
Location11.5 S Curtis
RouteCounty Highway 92004
CountyLewis County
StateWashington
Coordinates46.43963, -123.08364
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic174 (2019)
Projected traffic315 by 2039
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wildwood Road over S.Fork Chehalis River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Wildwood Road over S.Fork Chehalis River 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 December 2022.

How much traffic does Wildwood Road over S.Fork Chehalis River carry?

About 174 vehicles per day (2019 count), of which roughly 37% are trucks.

How long is Wildwood Road over S.Fork Chehalis River?

The structure is 130 ft (39.6 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns Wildwood Road over S.Fork Chehalis River?

It is owned by the County Highway Agency.