Sumner Buckley HWY over Cwa Canal
GoodPierce County, Washington · 1.5 W JCT SR 410 · Structure no. 084539000000000
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 101 ft
- 1 main span
- Daily traffic
- 2,675
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Sumner Buckley HWY over Cwa Canal is a prestressed concrete stringer/multi-beam or girder carrying Sumner Buckley HWY over Cwa Canal in Pierce County, Washington. It was built in 1978, so it is 47 years old, younger 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 2,675 vehicles a day, roughly 5% of them trucks, projected to reach 4,400 by 2041. The structure is 101 ft (30.8 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sumner Buckley HWY over Cwa Canal built?
It was built in 1978, making it 47 years old in 2025.
What condition is Sumner Buckley HWY over Cwa Canal 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 September 2024.
How much traffic does Sumner Buckley HWY over Cwa Canal carry?
About 2,675 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Sumner Buckley HWY over Cwa Canal?
The structure is 101 ft (30.8 m) long with a longest span of 96 ft (29.3 m) and a deck 37 ft wide.
Who owns Sumner Buckley HWY over Cwa Canal?
It is owned by the County Highway Agency.