Is 495 Ramp K(4) over Is 495X Nbr
GoodMontgomery County, Maryland · 0.48 MI W of Md 190 · Structure no. 100000150109010
- Built
- 1962
- 63 years old, rebuilt 2006
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 8,755
- 2006 count
- Owner
- State
- State Highway Agency
About this bridge
Is 495 Ramp K(4) over Is 495X Nbr is a steel stringer/multi-beam or girder carrying Is 495 Ramp K(4) over Is 495X Nbr in Montgomery County, Maryland. It was built in 1962 and reconstructed in 2006, so it is 63 years old, older than the Maryland average of 52.6 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 8,755 vehicles a day, roughly 8% of them trucks, projected to reach 9,455 by 2026. The structure is 205 ft (62.5 m) long and 28 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 495 Ramp K(4) over Is 495X Nbr built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2006.
What condition is Is 495 Ramp K(4) over Is 495X Nbr 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 January 2023.
How much traffic does Is 495 Ramp K(4) over Is 495X Nbr carry?
About 8,755 vehicles per day (2006 count), of which roughly 8% are trucks.
How long is Is 495 Ramp K(4) over Is 495X Nbr?
The structure is 205 ft (62.5 m) long with a longest span of 84 ft (25.6 m) and a deck 28 ft wide.
Who owns Is 495 Ramp K(4) over Is 495X Nbr?
It is owned by the State Highway Agency.