Columbia Road over Little Patuxent River
GoodHoward County, Maryland · 0.5 MI N of L. Patux Pkwy · Structure no. 200000HO0137010
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 159 ft
- 2 main spans
- Daily traffic
- 8,650
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Columbia Road over Little Patuxent River is a steel stringer/multi-beam or girder carrying Columbia Road over Little Patuxent River in Howard County, Maryland. It was built in 1987, so it is 38 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 8,650 vehicles a day, roughly 4% of them trucks, projected to reach 10,780 by 2044. The structure is 159 ft (48.4 m) long and 57 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Columbia Road over Little Patuxent River built?
It was built in 1987, making it 38 years old in 2025.
What condition is Columbia Road 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 2024.
How much traffic does Columbia Road over Little Patuxent River carry?
About 8,650 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Columbia Road over Little Patuxent River?
The structure is 159 ft (48.4 m) long with a longest span of 77 ft (23.5 m) and a deck 57 ft wide.
Who owns Columbia Road over Little Patuxent River?
It is owned by the County Highway Agency.