Md 56 over Is 70
GoodWashington County, Maryland · 1.46 Miles S of US 40 · Structure no. 100000210096010
- Built
- 1964
- 61 years old, rebuilt 2021
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 231 ft
- 4 main spans
- Daily traffic
- 1,325
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Md 56 over Is 70 is a steel stringer/multi-beam or girder carrying Md 56 over Is 70 in Washington County, Maryland. It was built in 1964 and reconstructed in 2021, so it is 61 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,325 vehicles a day, roughly 8% of them trucks, projected to reach 1,625 by 2036. The structure is 231 ft (70.4 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Md 56 over Is 70 built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2021.
What condition is Md 56 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 August 2023.
How much traffic does Md 56 over Is 70 carry?
About 1,325 vehicles per day (2016 count), of which roughly 8% are trucks.
How long is Md 56 over Is 70?
The structure is 231 ft (70.4 m) long with a longest span of 79 ft (24.1 m) and a deck 38 ft wide.
Who owns Md 56 over Is 70?
It is owned by the State Highway Agency.