Washington Route 1 over Panther Creek
FairPierce County, Washington · 5.3 Miles North of Park B · Structure no. 9450021P0000000
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 194 ft
- 5 main spans
- Daily traffic
- 1,505
- 2022 count
- Owner
- Federal
- National Park Service
About this bridge
Washington Route 1 over Panther Creek is a prestressed concrete tee beam carrying Washington Route 1 over Panther Creek in Pierce County, Washington. It was built in 1957, so it is 68 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 6 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 1,505 vehicles a day, roughly 15% of them trucks, projected to reach 1,806 by 2042. The structure is 194 ft (59.1 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Washington Route 1 over Panther Creek built?
It was built in 1957, making it 68 years old in 2025.
What condition is Washington Route 1 over Panther Creek 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 August 2024.
How much traffic does Washington Route 1 over Panther Creek carry?
About 1,505 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is Washington Route 1 over Panther Creek?
The structure is 194 ft (59.1 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.
Who owns Washington Route 1 over Panther Creek?
It is owned by the National Park Service.