US Bridges

West Satsop Road over Still Creek

Fair

Grays Harbor County, Washington · 02.3 N JCT 9725 · Structure no. 080953000000000

Built
1971
54 years old
Condition
Fair
inspected January 2023
Type
Slab
Prestressed Concrete
Length
85 ft
3 main spans
Daily traffic
184
2023 count
Owner
County
County Highway Agency

About this bridge

West Satsop Road over Still Creek is a prestressed concrete slab carrying West Satsop Road over Still Creek in Grays Harbor County, Washington. It was built in 1971, so it is 54 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 5 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 184 vehicles a day, roughly 10% of them trucks, projected to reach 275 by 2043. The structure is 85 ft (25.9 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWest Satsop Road
CrossesStill Creek
Location02.3 N JCT 9725
RouteCounty Highway 73230
Coordinates47.06444, -123.55333
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length85 ft (25.9 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic184 (2023)
Projected traffic275 by 2043
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was West Satsop Road over Still Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is West Satsop Road over Still 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 2023.

How much traffic does West Satsop Road over Still Creek carry?

About 184 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is West Satsop Road over Still Creek?

The structure is 85 ft (25.9 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns West Satsop Road over Still Creek?

It is owned by the County Highway Agency.