Doctor Johnson Roa over St. Clements Creek
GoodSt. Mary's County, Maryland · 0.9 MI W of Md RTE 242 · Structure no. 200000SM0006030
- Built
- 1975
- 50 years old, rebuilt 2015
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 41 ft
- Daily traffic
- 880
- 2002 count
- Owner
- County
- County Highway Agency
About this bridge
Doctor Johnson Roa over St. Clements Creek is a concrete culvert carrying Doctor Johnson Roa over St. Clements Creek in St. Mary's County, Maryland. It was built in 1975 and reconstructed in 2015, so it is 50 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 880 vehicles a day, roughly 4% of them trucks, projected to reach 1,400 by 2022. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 5 mi (8 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 Doctor Johnson Roa over St. Clements Creek built?
It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2015.
What condition is Doctor Johnson Roa over St. Clements 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 September 2023.
How much traffic does Doctor Johnson Roa over St. Clements Creek carry?
About 880 vehicles per day (2002 count), of which roughly 4% are trucks.
How long is Doctor Johnson Roa over St. Clements Creek?
The structure is 41 ft (12.5 m) long with a longest span of 14 ft (4.3 m).
Who owns Doctor Johnson Roa over St. Clements Creek?
It is owned by the County Highway Agency.