Is 370 EB over Is 370 Ramp B
FairMontgomery County, Maryland · 0.07 Mile West of Is 270 · Structure no. 100000150161010
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 161 ft
- 1 main span
- Daily traffic
- 78,741
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Is 370 EB over Is 370 Ramp B is a steel continuous stringer/multi-beam or girder carrying Is 370 EB over Is 370 Ramp B in Montgomery County, Maryland. It was built in 1989, so it is 36 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 78,741 vehicles a day, roughly 8% of them trucks, projected to reach 41,246 by 2026. The structure is 161 ft (49.1 m) long and 71 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 370 EB over Is 370 Ramp B built?
It was built in 1989, making it 36 years old in 2025.
What condition is Is 370 EB over Is 370 Ramp B 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 Is 370 EB over Is 370 Ramp B carry?
About 78,741 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Is 370 EB over Is 370 Ramp B?
The structure is 161 ft (49.1 m) long with a longest span of 150 ft (45.7 m) and a deck 71 ft wide.
Who owns Is 370 EB over Is 370 Ramp B?
It is owned by the State Highway Agency.