Marriottsville Roa over Little Patuxent River
GoodHoward County, Maryland · 0.23 Mile North of Is 70 · Structure no. 200000HO0005020
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 2,616
- 1994 count
- Owner
- County
- County Highway Agency
About this bridge
Marriottsville Roa over Little Patuxent River is a concrete culvert carrying Marriottsville Roa over Little Patuxent River in Howard County, Maryland. It was built in 1967, so it is 58 years old, older 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 2,616 vehicles a day, roughly 5% of them trucks, projected to reach 3,086 by 2012. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 6.8 mi (11 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 Marriottsville Roa over Little Patuxent River built?
It was built in 1967, making it 58 years old in 2025.
What condition is Marriottsville Roa over Little Patuxent River 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 March 2023.
How much traffic does Marriottsville Roa over Little Patuxent River carry?
About 2,616 vehicles per day (1994 count), of which roughly 5% are trucks.
How long is Marriottsville Roa over Little Patuxent River?
The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).
Who owns Marriottsville Roa over Little Patuxent River?
It is owned by the County Highway Agency.