US Bridges

Wilson Creek Road over Whitcomb Creek

Good

Pacific County, Washington · 4.4 E JCT 101 105 · Structure no. 083595000000000

Built
1992
33 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
80 ft
1 main span
Daily traffic
98
2023 count
Owner
County
County Highway Agency

About this bridge

Wilson Creek Road over Whitcomb Creek is a concrete continuous stringer/multi-beam or girder carrying Wilson Creek Road over Whitcomb Creek in Pacific 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 98 vehicles a day, roughly 20% of them trucks, projected to reach 400 by 2043. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWilson Creek Road
CrossesWhitcomb Creek
Location4.4 E JCT 101 105
RouteCounty Highway 67510
Coordinates46.67767, -123.66289
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span73 ft (22.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2023)
Projected traffic400 by 2043
Trucks20%
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$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilson Creek Road over Whitcomb Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Wilson Creek Road over Whitcomb 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 June 2024.

How much traffic does Wilson Creek Road over Whitcomb Creek carry?

About 98 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Wilson Creek Road over Whitcomb Creek?

The structure is 80 ft (24.4 m) long with a longest span of 73 ft (22.3 m) and a deck 31 ft wide.

Who owns Wilson Creek Road over Whitcomb Creek?

It is owned by the County Highway Agency.