Monument Road over Grindstone Run
GoodFrederick County, Maryland · 1.35 MI West of Md 17 · Structure no. 200000F-1637030
- Built
- 1977
- 48 years old, rebuilt 2008
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Steel
- Length
- 33 ft
- Daily traffic
- 311
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Monument Road over Grindstone Run is a steel culvert carrying Monument Road over Grindstone Run in Frederick County, Maryland. It was built in 1977 and reconstructed in 2008, so it is 48 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 311 vehicles a day, roughly 10% of them trucks, projected to reach 371 by 2044. The structure is 33 ft (10.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Monument Road over Grindstone Run built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2008.
What condition is Monument Road over Grindstone Run 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 May 2024.
How much traffic does Monument Road over Grindstone Run carry?
About 311 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Monument Road over Grindstone Run?
The structure is 33 ft (10.1 m) long.
Who owns Monument Road over Grindstone Run?
It is owned by the County Highway Agency.