John Mcadam DR over Dorsey Branch
GoodHoward County, Maryland · 800 Ft S of Md 175 · Structure no. 200000HO0207010
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Prestressed Concrete
- Length
- 41 ft
- 1 main span
- Daily traffic
- 30
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
John Mcadam DR over Dorsey Branch is a prestressed concrete culvert carrying John Mcadam DR over Dorsey Branch in Howard County, Maryland. It was built in 2000, so it is 25 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 30 vehicles a day, roughly 1% of them trucks, projected to reach 30 by 2043. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).
Location
No coordinates are recorded for this structure.
Condition 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was John Mcadam DR over Dorsey Branch built?
It was built in 2000, making it 25 years old in 2025.
What condition is John Mcadam DR over Dorsey Branch 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 November 2023.
How much traffic does John Mcadam DR over Dorsey Branch carry?
About 30 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is John Mcadam DR over Dorsey Branch?
The structure is 41 ft (12.4 m) long with a longest span of 38 ft (11.6 m).
Who owns John Mcadam DR over Dorsey Branch?
It is owned by the County Highway Agency.