Is 70 WB over Md 66
FairWashington County, Maryland · 2.59 Miles East of US 40 · Structure no. 100000210131014
- Built
- 1966
- 59 years old, rebuilt 1996
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 146 ft
- 2 main spans
- Daily traffic
- 58,600
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Is 70 WB over Md 66 is a steel continuous stringer/multi-beam or girder carrying Is 70 WB over Md 66 in Washington County, Maryland. It was built in 1966 and reconstructed in 1996, so it is 59 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 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 58,600 vehicles a day, roughly 20% of them trucks, projected to reach 37,680 by 2026. The structure is 146 ft (44.5 m) long and 43 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 | 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 70 WB over Md 66 built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1996.
What condition is Is 70 WB over Md 66 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 February 2024.
How much traffic does Is 70 WB over Md 66 carry?
About 58,600 vehicles per day (2009 count), of which roughly 20% are trucks.
How long is Is 70 WB over Md 66?
The structure is 146 ft (44.5 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.
Who owns Is 70 WB over Md 66?
It is owned by the State Highway Agency.