US Bridges

Cottonwood Crk RD over Cottonwood Creek

Good

Lincoln County, Washington · 2.59 NW SR 2 · Structure no. 086275000000000

Built
1964
61 years old
Condition
Good
inspected November 2023
Type
Girder and Floorbeam System
Concrete
Length
104 ft
1 main span
Daily traffic
120
2021 count
Owner
County
County Highway Agency

About this bridge

Cottonwood Crk RD over Cottonwood Creek is a concrete girder and floorbeam system carrying Cottonwood Crk RD over Cottonwood Creek in Lincoln County, Washington. It was built in 1964, so it is 61 years old, older 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 120 vehicles a day, roughly 40% of them trucks, projected to reach 200 by 2042. The structure is 104 ft (31.7 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCottonwood Crk RD
CrossesCottonwood Creek
Location2.59 NW SR 2
RouteCounty Highway 53880
Coordinates47.66575, -118.20475
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating26.5 US tons

Structure

MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span94 ft (28.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2021)
Projected traffic200 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$227,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottonwood Crk RD over Cottonwood Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Cottonwood Crk RD over Cottonwood 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 November 2023.

How much traffic does Cottonwood Crk RD over Cottonwood Creek carry?

About 120 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Cottonwood Crk RD over Cottonwood Creek?

The structure is 104 ft (31.7 m) long with a longest span of 94 ft (28.7 m) and a deck 26 ft wide.

Who owns Cottonwood Crk RD over Cottonwood Creek?

It is owned by the County Highway Agency.