US Bridges

Douglas Road over Corbett Creek

Fair

Lincoln County, Washington · 0.95 S SR 174 · Structure no. 083847000000000

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
61 ft
3 main spans
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Douglas Road over Corbett Creek is a concrete slab carrying Douglas Road over Corbett Creek in Lincoln County, Washington. It was built in 1960, so it is 65 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 65 vehicles a day, roughly 40% of them trucks, projected to reach 115 by 2040. The structure is 61 ft (18.6 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDouglas Road
CrossesCorbett Creek
Location0.95 S SR 174
RouteCounty Highway 41100
Coordinates47.8095, -118.78642
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length61 ft (18.6 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2020)
Projected traffic115 by 2040
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Douglas Road over Corbett Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Douglas Road over Corbett 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 Douglas Road over Corbett Creek carry?

About 65 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is Douglas Road over Corbett Creek?

The structure is 61 ft (18.6 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Douglas Road over Corbett Creek?

It is owned by the County Highway Agency.