US Bridges

Douglas Road over Corbett Creek

Good

Lincoln County, Washington · 2.35 SW SR 174 · Structure no. 086036000000000

Built
1992
33 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete
Length
63 ft
1 main span
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

Douglas Road over Corbett Creek is a concrete tee beam carrying Douglas Road over Corbett Creek in Lincoln County, Washington. It was built in 1992, so it is 33 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 79 vehicles a day, roughly 58% of them trucks, projected to reach 137 by 2042. The structure is 63 ft (19.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDouglas Road
CrossesCorbett Creek
Location2.35 SW SR 174
RouteCounty Highway 41100
Coordinates47.81608, -118.81381
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic137 by 2042
Trucks58%
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 1992, making it 33 years old in 2025.

What condition is Douglas Road over Corbett Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Douglas Road over Corbett Creek carry?

About 79 vehicles per day (2022 count), of which roughly 58% are trucks.

How long is Douglas Road over Corbett Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Douglas Road over Corbett Creek?

It is owned by the County Highway Agency.