US Bridges

Wildwood Road over So. Fork Chehalis River

Fair

Lewis County, Washington · 11.0 S Curtis · Structure no. 082214000000000

Built
1955
70 years old
Condition
Fair
inspected December 2022
Type
Tee Beam
Concrete
Length
204 ft
1 main span
Daily traffic
191
2018 count
Owner
County
County Highway Agency

About this bridge

Wildwood Road over So. Fork Chehalis River is a concrete tee beam carrying Wildwood Road over So. Fork Chehalis River in Lewis County, Washington. It was built in 1955, so it is 70 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 191 vehicles a day, roughly 31% of them trucks, projected to reach 345 by 2038. The structure is 204 ft (62.2 m) long and 26 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesWildwood Road
CrossesSo. Fork Chehalis River
Location11.0 S Curtis
RouteCounty Highway 92004
Coordinates46.44495, -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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 15
Structure length204 ft (62.2 m)
Longest span84 ft (25.6 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2018)
Projected traffic345 by 2038
Trucks31%
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$2.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1955, making it 70 years old in 2025.

What condition is Wildwood Road over So. 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 So. Fork Chehalis River carry?

About 191 vehicles per day (2018 count), of which roughly 31% are trucks.

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

The structure is 204 ft (62.2 m) long with a longest span of 84 ft (25.6 m) and a deck 26 ft wide.

Who owns Wildwood Road over So. Fork Chehalis River?

It is owned by the County Highway Agency.