Watkins Mill Road over Great Seneca Creek
GoodMontgomery County, Maryland · .6 MI SE of Blunt Road · Structure no. 200000M-0223010
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 275 ft
- 2 main spans
- Daily traffic
- 12,760
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Watkins Mill Road over Great Seneca Creek is a steel continuous stringer/multi-beam or girder carrying Watkins Mill Road over Great Seneca Creek in Montgomery County, Maryland. It was built in 1990, so it is 35 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 12,760 vehicles a day, roughly 5% of them trucks, projected to reach 16,107 by 2043. The structure is 275 ft (83.8 m) long and 70 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Watkins Mill Road over Great Seneca Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is Watkins Mill Road over Great Seneca Creek 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 July 2023.
How much traffic does Watkins Mill Road over Great Seneca Creek carry?
About 12,760 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Watkins Mill Road over Great Seneca Creek?
The structure is 275 ft (83.8 m) long with a longest span of 135 ft (41.1 m) and a deck 70 ft wide.
Who owns Watkins Mill Road over Great Seneca Creek?
It is owned by the County Highway Agency.