Is 70 EB over Md 97
FairHoward County, Maryland · 3.17 Miles East of Md 94 · Structure no. 100000130030013
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 289 ft
- 2 main spans
- Daily traffic
- 72,612
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Is 70 EB over Md 97 is a steel stringer/multi-beam or girder carrying Is 70 EB over Md 97 in Howard County, Maryland. It was built in 1973, so it is 52 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 6 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 72,612 vehicles a day, roughly 8% of them trucks, projected to reach 112,212 by 2029. The structure is 289 ft (88.1 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 70 EB over Md 97 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Is 70 EB over Md 97 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 June 2023.
How much traffic does Is 70 EB over Md 97 carry?
About 72,612 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Is 70 EB over Md 97?
The structure is 289 ft (88.1 m) long with a longest span of 142 ft (43.3 m) and a deck 57 ft wide.
Who owns Is 70 EB over Md 97?
It is owned by the State Highway Agency.