US Bridges

Hood RD over Cottonwood Creek

Good

Walla Walla County, Washington · 0.42 S Cottonwood RD · Structure no. 087714000000000

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
61 ft
1 main span
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

Hood RD over Cottonwood Creek is a concrete continuous tee beam carrying Hood RD over Cottonwood Creek in Walla Walla County, Washington. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 11% of them trucks, projected to reach 230 by 2046. The structure is 61 ft (18.6 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesHood RD
CrossesCottonwood Creek
Location0.42 S Cottonwood RD
RouteCounty Highway 54050
Coordinates46.01095, -118.2838
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating41.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.6 m)
Longest span55 ft (16.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic230 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hood RD over Cottonwood Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Hood 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 September 2024.

How much traffic does Hood RD over Cottonwood Creek carry?

About 150 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Hood RD over Cottonwood Creek?

The structure is 61 ft (18.6 m) long with a longest span of 55 ft (16.8 m) and a deck 35 ft wide.

Who owns Hood RD over Cottonwood Creek?

It is owned by the County Highway Agency.