US 101 over Dosewallips Overflow
GoodJefferson County, Washington · 21.4 S JCT SR 104 · Structure no. 0006226B0000000
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 135 ft
- 5 main spans
- Daily traffic
- 3,336
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 101 over Dosewallips Overflow is a concrete continuous slab carrying US 101 over Dosewallips Overflow in Jefferson County, Washington. It was built in 1959, so it is 66 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,336 vehicles a day, roughly 11% of them trucks, projected to reach 4,570 by 2039. The structure is 135 ft (41.1 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 101 over Dosewallips Overflow built?
It was built in 1959, making it 66 years old in 2025.
What condition is US 101 over Dosewallips Overflow in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does US 101 over Dosewallips Overflow carry?
About 3,336 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US 101 over Dosewallips Overflow?
The structure is 135 ft (41.1 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.
Who owns US 101 over Dosewallips Overflow?
It is owned by the State Highway Agency.