US Bridges

SR 6 over ST Parks Trail (pluvius)

Fair

Pacific County, Washington · 21.8 E JCT US 101 · Structure no. 0000607A0000000

Built
1922
103 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
161 ft
5 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

SR 6 over ST Parks Trail (pluvius) is a concrete continuous tee beam carrying SR 6 over ST Parks Trail (pluvius) in Pacific County, Washington. It was built in 1922, so it is 103 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 1,600 vehicles a day, roughly 13% of them trucks, projected to reach 1,667 by 2039. The structure is 161 ft (49.1 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 6
CrossesST Parks Trail (pluvius)
Location21.8 E JCT US 101
RouteState Highway 6
CountyPacific County
StateWashington
Coordinates46.55022, -123.41306
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length161 ft (49.1 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,667 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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$2.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 6 over ST Parks Trail (pluvius) built?

It was built in 1922, making it 103 years old in 2025.

What condition is SR 6 over ST Parks Trail (pluvius) 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 April 2024.

How much traffic does SR 6 over ST Parks Trail (pluvius) carry?

About 1,600 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 6 over ST Parks Trail (pluvius)?

The structure is 161 ft (49.1 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns SR 6 over ST Parks Trail (pluvius)?

It is owned by the State Highway Agency.