US Bridges

US 101 over West Fork Hoquiam River

Fair

Grays Harbor County, Washington · 9.2 N JCT SR 109 · Structure no. 0003595A0000000

Built
1949
76 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
2,198
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over West Fork Hoquiam River is a concrete continuous tee beam carrying US 101 over West Fork Hoquiam River in Grays Harbor County, Washington. It was built in 1949, so it is 76 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 2,198 vehicles a day, roughly 21% of them trucks, projected to reach 2,444 by 2039. The structure is 118 ft (36 m) long and 34 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesUS 101
CrossesWest Fork Hoquiam River
Location9.2 N JCT SR 109
RouteU.S. Route 101
CountyGrays Harbor County
StateWashington
Coordinates47.09197, -123.90464
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating48.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,198 (2023)
Projected traffic2,444 by 2039
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over West Fork Hoquiam River built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 101 over West Fork Hoquiam 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 August 2024.

How much traffic does US 101 over West Fork Hoquiam River carry?

About 2,198 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US 101 over West Fork Hoquiam River?

The structure is 118 ft (36 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns US 101 over West Fork Hoquiam River?

It is owned by the State Highway Agency.