US Bridges

Goodrich Road over Chehalis Slough

Good

Lewis County, Washington · 1.0 N Centralia · Structure no. 083331000000000

Built
1961
64 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
154 ft
7 main spans
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

Goodrich Road over Chehalis Slough is a concrete slab carrying Goodrich Road over Chehalis Slough in Lewis County, Washington. It was built in 1961, so it is 64 years old, older 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 180 vehicles a day, roughly 23% of them trucks, projected to reach 326 by 2042. The structure is 154 ft (46.9 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGoodrich Road
CrossesChehalis Slough
Location1.0 N Centralia
RouteCounty Highway 11005
Coordinates46.75725, -123.01144
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length154 ft (46.9 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic326 by 2042
Trucks23%
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$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Goodrich Road over Chehalis Slough built?

It was built in 1961, making it 64 years old in 2025.

What condition is Goodrich Road over Chehalis Slough 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 January 2023.

How much traffic does Goodrich Road over Chehalis Slough carry?

About 180 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Goodrich Road over Chehalis Slough?

The structure is 154 ft (46.9 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns Goodrich Road over Chehalis Slough?

It is owned by the County Highway Agency.