Is 70 WB over Is 81
FairWashington County, Maryland · 0.33 Mile West of US 11 · Structure no. 100000210073014
- Built
- 1964
- 61 years old, rebuilt 2018
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 275 ft
- 6 main spans
- Daily traffic
- 62,680
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
Is 70 WB over Is 81 is a steel stringer/multi-beam or girder carrying Is 70 WB over Is 81 in Washington County, Maryland. It was built in 1964 and reconstructed in 2018, 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 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 62,680 vehicles a day, roughly 23% of them trucks, projected to reach 57,660 by 2033. The structure is 275 ft (83.9 m) long and 36 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 | 8 Very Good | No problems noted. |
| 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 Is 81 built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2018.
What condition is Is 70 WB over Is 81 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 2023.
How much traffic does Is 70 WB over Is 81 carry?
About 62,680 vehicles per day (2013 count), of which roughly 23% are trucks.
How long is Is 70 WB over Is 81?
The structure is 275 ft (83.9 m) long with a longest span of 56 ft (17.1 m) and a deck 36 ft wide.
Who owns Is 70 WB over Is 81?
It is owned by the State Highway Agency.