S-N Ramp over Bn RR
GoodPierce County, Washington · 3.5 N Thurston CO · Structure no. 0014963C0000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 512 ft
- 4 main spans
- Daily traffic
- 4,590
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-N Ramp over Bn RR is a prestressed concrete continuous stringer/multi-beam or girder carrying S-N Ramp over Bn RR in Pierce County, Washington. It was built in 1997, so it is 28 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 4,590 vehicles a day, roughly 3% of them trucks, projected to reach 6,416 by 2039. The structure is 512 ft (156.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-N Ramp over Bn RR built?
It was built in 1997, making it 28 years old in 2025.
What condition is S-N Ramp over Bn RR 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 March 2023.
How much traffic does S-N Ramp over Bn RR carry?
About 4,590 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is S-N Ramp over Bn RR?
The structure is 512 ft (156.1 m) long with a longest span of 123 ft (37.5 m) and a deck 30 ft wide.
Who owns S-N Ramp over Bn RR?
It is owned by the State Highway Agency.