US Bridges

Walville Creek RD over Rock Creek

Fair

Pacific County, Washington · 0.18 NE JCT SR 6 · Structure no. 079648000000000

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
53 ft
2 main spans
Daily traffic
34
2023 count
Owner
County
County Highway Agency

About this bridge

Walville Creek RD over Rock Creek is a concrete continuous slab carrying Walville Creek RD over Rock Creek in Pacific County, Washington. It was built in 1981, so it is 44 years old, younger 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 5 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 34 vehicles a day, roughly 5% of them trucks, projected to reach 51 by 2043. The structure is 53 ft (16.2 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWalville Creek RD
CrossesRock Creek
Location0.18 NE JCT SR 6
RouteCounty Highway 49910
Coordinates46.55408, -123.36089
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2023)
Projected traffic51 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$327,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Walville Creek RD over Rock Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Walville Creek RD over Rock 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 June 2023.

How much traffic does Walville Creek RD over Rock Creek carry?

About 34 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Walville Creek RD over Rock Creek?

The structure is 53 ft (16.2 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns Walville Creek RD over Rock Creek?

It is owned by the County Highway Agency.