US 40 over Is 70
FairWashington County, Maryland · 0.03 MI W of Frederick CO · Structure no. 100000210136010
- Built
- 1968
- 57 years old, rebuilt 2015
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 400 ft
- 4 main spans
- Daily traffic
- 7,477
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 over Is 70 is a steel continuous stringer/multi-beam or girder carrying US 40 over Is 70 in Washington County, Maryland. It was built in 1968 and reconstructed in 2015, so it is 57 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 5 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 7,477 vehicles a day, roughly 8% of them trucks, projected to reach 10,091 by 2044. The structure is 400 ft (121.8 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 40 over Is 70 built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2015.
What condition is US 40 over Is 70 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 November 2023.
How much traffic does US 40 over Is 70 carry?
About 7,477 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is US 40 over Is 70?
The structure is 400 ft (121.8 m) long with a longest span of 122 ft (37.2 m) and a deck 49 ft wide.
Who owns US 40 over Is 70?
It is owned by the State Highway Agency.