US Bridges

Goebel RD SE over Skookumchuck River

Fair

Thurston County, Washington · 0.11 M N Skookumchuck RD · Structure no. 081046000000000

Built
1982
43 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
27
2019 count
Owner
County
County Highway Agency

About this bridge

Goebel RD SE over Skookumchuck River is a prestressed concrete channel beam carrying Goebel RD SE over Skookumchuck River in Thurston County, Washington. It was built in 1982, so it is 43 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 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 27 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2041. The structure is 144 ft (43.9 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGoebel RD SE
CrossesSkookumchuck River
Location0.11 M N Skookumchuck RD
RouteCounty Highway 11840
Coordinates46.80386, -122.79922
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2019)
Projected traffic42 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Goebel RD SE over Skookumchuck River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Goebel RD SE over Skookumchuck River 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 July 2023.

How much traffic does Goebel RD SE over Skookumchuck River carry?

About 27 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Goebel RD SE over Skookumchuck River?

The structure is 144 ft (43.9 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns Goebel RD SE over Skookumchuck River?

It is owned by the County Highway Agency.