US Bridges

Lewis Bridge Road over Wilson Creek

FairPosted for load

Lincoln County, Washington · 6.66 S SR 2 · Structure no. 079689000000000

Built
1912
113 years old, rebuilt 1984
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
102 ft
1 main span
Daily traffic
26
2021 count
Owner
County
County Highway Agency

About this bridge

Lewis Bridge Road over Wilson Creek is a concrete tee beam carrying Lewis Bridge Road over Wilson Creek in Lincoln County, Washington. It was built in 1912 and reconstructed in 1984, so it is 113 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. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, roughly 40% of them trucks, projected to reach 65 by 2040. The structure is 102 ft (31.1 m) long and 20 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLewis Bridge Road
CrossesWilson Creek
Location6.66 S SR 2
RouteCounty Highway 18500
Coordinates47.685, -118.85261
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 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 rating35.7 US tons
Inventory rating26.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 10
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2021)
Projected traffic65 by 2040
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lewis Bridge Road over Wilson Creek built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1984.

What condition is Lewis Bridge Road over Wilson 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 2023.

How much traffic does Lewis Bridge Road over Wilson Creek carry?

About 26 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Lewis Bridge Road over Wilson Creek?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 20 ft wide.

Who owns Lewis Bridge Road over Wilson Creek?

It is owned by the County Highway Agency.