Is 495 over Sligo Creek Trail
GoodMontgomery County, Maryland · 0.507 M E of Br No 15130 · Structure no. 100000150131010
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 73 ft
- 1 main span
- Daily traffic
- 232,010
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Is 495 over Sligo Creek Trail is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 495 over Sligo Creek Trail in Montgomery County, Maryland. It was built in 2001, so it is 24 years old, younger 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 232,010 vehicles a day, roughly 12% of them trucks, projected to reach 233,070 by 2029. The structure is 73 ft (22.3 m) long and 149 ft wide. If it were closed, the detour would be 3.1 mi (5 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 over Sligo Creek Trail built?
It was built in 2001, making it 24 years old in 2025.
What condition is Is 495 over Sligo Creek Trail 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 April 2024.
How much traffic does Is 495 over Sligo Creek Trail carry?
About 232,010 vehicles per day (2009 count), of which roughly 12% are trucks.
How long is Is 495 over Sligo Creek Trail?
The structure is 73 ft (22.3 m) long with a longest span of 73 ft (22.3 m) and a deck 149 ft wide.
Who owns Is 495 over Sligo Creek Trail?
It is owned by the State Highway Agency.