Harstine Bridge RD over Pickering Passage
FairMason County, Washington · 3.4 E JCT SR3 · Structure no. 079969000000000
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 1,466 ft
- 11 main spans
- Daily traffic
- 2,155
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Harstine Bridge RD over Pickering Passage is a prestressed concrete continuous stringer/multi-beam or girder carrying Harstine Bridge RD over Pickering Passage in Mason County, Washington. It was built in 1969, so it is 56 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 2,155 vehicles a day, roughly 15% of them trucks, projected to reach 2,500 by 2041. The structure is 1,466 ft (446.8 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harstine Bridge RD over Pickering Passage built?
It was built in 1969, making it 56 years old in 2025.
What condition is Harstine Bridge RD over Pickering Passage 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 2023.
How much traffic does Harstine Bridge RD over Pickering Passage carry?
About 2,155 vehicles per day (2021 count), of which roughly 15% are trucks.
How long is Harstine Bridge RD over Pickering Passage?
The structure is 1,466 ft (446.8 m) long with a longest span of 133 ft (40.6 m) and a deck 30 ft wide.
Who owns Harstine Bridge RD over Pickering Passage?
It is owned by the County Highway Agency.