US Bridges

Quinault S Shore over Falls Creek

Fair

Grays Harbor County, Washington · 2.3 NE JCT US 101 · Structure no. 082707000000000

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
65 ft
3 main spans
Daily traffic
962
2020 count
Owner
County
County Highway Agency

About this bridge

Quinault S Shore over Falls Creek is a prestressed concrete slab carrying Quinault S Shore over Falls Creek in Grays Harbor County, Washington. It was built in 1973, so it is 52 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 962 vehicles a day, roughly 7% of them trucks, projected to reach 1,296 by 2040. The structure is 65 ft (19.8 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesQuinault S Shore
CrossesFalls Creek
Location2.3 NE JCT US 101
RouteCounty Highway 93400
Coordinates47.46847, -123.84583
Functional classRural Major Collector

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 inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span21 ft (6.4 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic962 (2020)
Projected traffic1,296 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$2.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Quinault S Shore over Falls Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Quinault S Shore over Falls 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 March 2024.

How much traffic does Quinault S Shore over Falls Creek carry?

About 962 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Quinault S Shore over Falls Creek?

The structure is 65 ft (19.8 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.

Who owns Quinault S Shore over Falls Creek?

It is owned by the County Highway Agency.