Is 70 over Semple Run
GoodWashington County, Maryland · 0.25 Mile West of Is 81 · Structure no. 100000210111020
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 204 ft
- Daily traffic
- 45,040
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Is 70 over Semple Run is a concrete culvert carrying Is 70 over Semple Run in Washington County, Maryland. It was built in 1966, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 45,040 vehicles a day, roughly 8% of them trucks, projected to reach 57,660 by 2029. The structure is 204 ft (62.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 70 over Semple Run built?
It was built in 1966, making it 59 years old in 2025.
What condition is Is 70 over Semple Run in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Is 70 over Semple Run carry?
About 45,040 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Is 70 over Semple Run?
The structure is 204 ft (62.2 m) long with a longest span of 13 ft (4 m).
Who owns Is 70 over Semple Run?
It is owned by the State Highway Agency.