N-N Ramp over I-205 SB
GoodClark County, Washington · 6.2 N JCT SR 500 · Structure no. 0018311B0000000
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 315 ft
- 3 main spans
- Daily traffic
- 7,032
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
N-N Ramp over I-205 SB is a prestressed concrete continuous stringer/multi-beam or girder carrying N-N Ramp over I-205 SB in Clark County, Washington. It was built in 2014, so it is 11 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 7,032 vehicles a day, roughly 5% of them trucks, projected to reach 10,014 by 2039. The structure is 315 ft (96 m) long and 43 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N-N Ramp over I-205 SB built?
It was built in 2014, making it 11 years old in 2025.
What condition is N-N Ramp over I-205 SB 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 N-N Ramp over I-205 SB carry?
About 7,032 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is N-N Ramp over I-205 SB?
The structure is 315 ft (96 m) long with a longest span of 150 ft (45.7 m) and a deck 43 ft wide.
Who owns N-N Ramp over I-205 SB?
It is owned by the State Highway Agency.