Md 17 over US 340
FairFrederick County, Maryland · 0.15 Mile North of Md 180 · Structure no. 100000100114010
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 236 ft
- 4 main spans
- Daily traffic
- 2,061
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Md 17 over US 340 is a steel stringer/multi-beam or girder carrying Md 17 over US 340 in Frederick County, Maryland. It was built in 1964, 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 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 2,061 vehicles a day, roughly 8% of them trucks, projected to reach 2,595 by 2026. The structure is 236 ft (71.9 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Md 17 over US 340 built?
It was built in 1964, making it 61 years old in 2025.
What condition is Md 17 over US 340 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 March 2024.
How much traffic does Md 17 over US 340 carry?
About 2,061 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Md 17 over US 340?
The structure is 236 ft (71.9 m) long with a longest span of 78 ft (23.8 m) and a deck 37 ft wide.
Who owns Md 17 over US 340?
It is owned by the State Highway Agency.