US Bridges

Rose Valley RD over Owl Creek

Fair

Cowlitz County, Washington · 1.04 E Old 99 S (mp 1.06) · Structure no. 082360000000000

Built
1957
68 years old, rebuilt 1998
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
3,600
2023 count
Owner
County
County Highway Agency

About this bridge

Rose Valley RD over Owl Creek is a concrete slab carrying Rose Valley RD over Owl Creek in Cowlitz County, Washington. It was built in 1957 and reconstructed in 1998, so it is 68 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 3,600 vehicles a day, roughly 15% of them trucks, projected to reach 4,850 by 2043. The structure is 26 ft (7.9 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRose Valley RD
CrossesOwl Creek
Location1.04 E Old 99 S (mp 1.06)
RouteCounty Highway 40110
Coordinates46.09417, -122.85056
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span20 ft (6.1 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic4,850 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rose Valley RD over Owl Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1998.

What condition is Rose Valley RD over Owl 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 August 2023.

How much traffic does Rose Valley RD over Owl Creek carry?

About 3,600 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Rose Valley RD over Owl Creek?

The structure is 26 ft (7.9 m) long with a longest span of 20 ft (6.1 m) and a deck 37 ft wide.

Who owns Rose Valley RD over Owl Creek?

It is owned by the County Highway Agency.