Granite Rock Road over Little Seneca Creek Trib
FairMontgomery County, Maryland · 1 MI Northeast of Md 355 · Structure no. 200000M-0378010
- Built
- 2007
- 18 years old
- Condition
- Fair
- inspected March 2024
- Type
- Culvert
- Steel
- Length
- 31 ft
- Daily traffic
- 425
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Granite Rock Road over Little Seneca Creek Trib is a steel culvert carrying Granite Rock Road over Little Seneca Creek Trib in Montgomery County, Maryland. It was built in 2007, so it is 18 years old, younger than the Maryland average of 52.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 425 vehicles a day, roughly 5% of them trucks, projected to reach 572 by 2044. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Granite Rock Road over Little Seneca Creek Trib built?
It was built in 2007, making it 18 years old in 2025.
What condition is Granite Rock Road over Little Seneca Creek Trib in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does Granite Rock Road over Little Seneca Creek Trib carry?
About 425 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Granite Rock Road over Little Seneca Creek Trib?
The structure is 31 ft (9.4 m) long with a longest span of 26 ft (7.9 m).
Who owns Granite Rock Road over Little Seneca Creek Trib?
It is owned by the County Highway Agency.