US Bridges

Howe Road over Skook Creek

Good

Lewis County, Washington · 4.9 NW Toledo · Structure no. 087134000000000

Built
2003
22 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

Howe Road over Skook Creek is a concrete culvert carrying Howe Road over Skook Creek in Lewis County, Washington. It was built in 2003, so it is 22 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 40 vehicles a day, roughly 32% of them trucks, projected to reach 73 by 2041. The structure is 32 ft (9.7 m) long and 80 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHowe Road
CrossesSkook Creek
Location4.9 NW Toledo
RouteCounty Highway 56350
Coordinates46.47414, -122.75724
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.7 m)
Longest span30 ft (9 m)
Deck width80 ft (24.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2021)
Projected traffic73 by 2041
Trucks32%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$301,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Howe Road over Skook Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Howe Road over Skook 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 February 2024.

How much traffic does Howe Road over Skook Creek carry?

About 40 vehicles per day (2021 count), of which roughly 32% are trucks.

How long is Howe Road over Skook Creek?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9 m) and a deck 80 ft wide.

Who owns Howe Road over Skook Creek?

It is owned by the County Highway Agency.