US Bridges

Stover Road over Slough Creek

Fair

Lewis County, Washington · 10.0 E Randle · Structure no. 081350000000000

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
42
2022 count
Owner
County
County Highway Agency

About this bridge

Stover Road over Slough Creek is a concrete continuous slab carrying Stover Road over Slough Creek in Lewis County, Washington. It was built in 1967, so it is 58 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 42 vehicles a day, roughly 24% of them trucks, projected to reach 76 by 2042. The structure is 67 ft (20.3 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesStover Road
CrossesSlough Creek
Location10.0 E Randle
RouteCounty Highway 70891
Coordinates46.57, -121.70925
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length67 ft (20.3 m)
Longest span22 ft (6.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2022)
Projected traffic76 by 2042
Trucks24%
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$916,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stover Road over Slough Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Stover Road over Slough 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 January 2024.

How much traffic does Stover Road over Slough Creek carry?

About 42 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Stover Road over Slough Creek?

The structure is 67 ft (20.3 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns Stover Road over Slough Creek?

It is owned by the County Highway Agency.