River Road over Tributary of Patapsco Ri
FairHoward County, Maryland · Patapsco Valley ST Park · Structure no. 300000HONR01010
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected August 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 42 ft
- 1 main span
- Daily traffic
- 100
- 2010 count
- Owner
- State
- Other State Agency
About this bridge
River Road over Tributary of Patapsco Ri is a steel girder and floorbeam system carrying River Road over Tributary of Patapsco Ri in Howard County, Maryland. It was built in 1997, so it is 28 years old, younger than the Maryland average of 52.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 110 by 2035. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 River Road over Tributary of Patapsco Ri built?
It was built in 1997, making it 28 years old in 2025.
What condition is River Road over Tributary of Patapsco Ri in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does River Road over Tributary of Patapsco Ri carry?
About 100 vehicles per day (2010 count), of which roughly 5% are trucks.
How long is River Road over Tributary of Patapsco Ri?
The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.
Who owns River Road over Tributary of Patapsco Ri?
It is owned by the Other State Agency.