Md 355 over Is 70
GoodFrederick County, Maryland · 0.1 Mile North of Md 85 · Structure no. 100000100105010
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 225 ft
- 2 main spans
- Daily traffic
- 19,242
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Md 355 over Is 70 is a steel stringer/multi-beam or girder carrying Md 355 over Is 70 in Frederick County, Maryland. It was built in 2008, so it is 17 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 19,242 vehicles a day, roughly 8% of them trucks, projected to reach 20,015 by 2026. The structure is 225 ft (68.6 m) long and 107 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Md 355 over Is 70 built?
It was built in 2008, making it 17 years old in 2025.
What condition is Md 355 over Is 70 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 Md 355 over Is 70 carry?
About 19,242 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Md 355 over Is 70?
The structure is 225 ft (68.6 m) long with a longest span of 115 ft (35.1 m) and a deck 107 ft wide.
Who owns Md 355 over Is 70?
It is owned by the State Highway Agency.