Seminary Road over Is 495
GoodMontgomery County, Maryland · 0.10 MI E of Md 192 · Structure no. 100000150129010
- Built
- 1964
- 61 years old, rebuilt 2021
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 361 ft
- 4 main spans
- Daily traffic
- 9,275
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Seminary Road over Is 495 is a steel continuous stringer/multi-beam or girder carrying Seminary Road over Is 495 in Montgomery County, Maryland. It was built in 1964 and reconstructed in 2021, so it is 61 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 9,275 vehicles a day, roughly 8% of them trucks, projected to reach 10,250 by 2036. The structure is 361 ft (109.9 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Seminary Road over Is 495 built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2021.
What condition is Seminary Road over Is 495 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 February 2023.
How much traffic does Seminary Road over Is 495 carry?
About 9,275 vehicles per day (2016 count), of which roughly 8% are trucks.
How long is Seminary Road over Is 495?
The structure is 361 ft (109.9 m) long with a longest span of 113 ft (34.4 m) and a deck 60 ft wide.
Who owns Seminary Road over Is 495?
It is owned by the State Highway Agency.