Park Mills Road over Monocacy River
FairFrederick County, Maryland · 1 MI N of Md RTE 28 · Structure no. 200000F-0105010
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 638 ft
- 3 main spans
- Daily traffic
- 557
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Park Mills Road over Monocacy River is a steel continuous stringer/multi-beam or girder carrying Park Mills Road over Monocacy River in Frederick County, Maryland. It was built in 1979, so it is 46 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 557 vehicles a day, roughly 5% of them trucks, projected to reach 830 by 2042. The structure is 638 ft (194.5 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Park Mills Road over Monocacy River built?
It was built in 1979, making it 46 years old in 2025.
What condition is Park Mills Road over Monocacy River 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 June 2024.
How much traffic does Park Mills Road over Monocacy River carry?
About 557 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Park Mills Road over Monocacy River?
The structure is 638 ft (194.5 m) long with a longest span of 240 ft (73.2 m) and a deck 43 ft wide.
Who owns Park Mills Road over Monocacy River?
It is owned by the County Highway Agency.