Md 170 over Severn Run
FairAnne Arundel County, Maryland · 1.2 Mile North of Md 175 · Structure no. 100000020044010
- Built
- 1936
- 89 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 21,621
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Md 170 over Severn Run is a concrete tee beam carrying Md 170 over Severn Run in Anne Arundel County, Maryland. It was built in 1936, so it is 89 years old, older 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 21,621 vehicles a day, roughly 8% of them trucks, projected to reach 28,054 by 2026. The structure is 34 ft (10.4 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Md 170 over Severn Run built?
It was built in 1936, making it 89 years old in 2025.
What condition is Md 170 over Severn Run 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 July 2023.
How much traffic does Md 170 over Severn Run carry?
About 21,621 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Md 170 over Severn Run?
The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 44 ft wide.
Who owns Md 170 over Severn Run?
It is owned by the State Highway Agency.