SR 104 Westhalf over Hood Canal
PoorJefferson County, Washington · 13.7 E JCT US 101 · Structure no. 0011964A0000000
- Built
- 1982
- 43 years old, rebuilt 2009
- Condition
- Poor
- inspected May 2024
- Type
- Other
- Prestressed Concrete
- Length
- 3,750 ft
- 1 main span
- Daily traffic
- 18,159
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 104 Westhalf over Hood Canal is a prestressed concrete other carrying SR 104 Westhalf over Hood Canal in Jefferson County, Washington. It was built in 1982 and reconstructed in 2009, so it is 43 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 18,159 vehicles a day, roughly 7% of them trucks, projected to reach 24,741 by 2039. The structure is 3,750 ft (1,143 m) long and 43 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 104 Westhalf over Hood Canal built?
It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2009.
What condition is SR 104 Westhalf over Hood Canal in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does SR 104 Westhalf over Hood Canal carry?
About 18,159 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is SR 104 Westhalf over Hood Canal?
The structure is 3,750 ft (1,143 m) long with a longest span of 3,750 ft (1,143 m) and a deck 43 ft wide.
Who owns SR 104 Westhalf over Hood Canal?
It is owned by the State Highway Agency.