Nbl N. Sycamore ST over Four MI Run
GoodArlington County, Virginia · 0.3FR66 / 0.7TOWIL.BLVD · Structure no. 000000000000023
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 64 ft
- 1 main span
- Daily traffic
- 7,944
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nbl N. Sycamore ST over Four MI Run is a steel stringer/multi-beam or girder carrying Nbl N. Sycamore ST over Four MI Run in Arlington County, Virginia. It was built in 1971, so it is 54 years old, older than the Virginia average of 50.7 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 7,944 vehicles a day, projected to reach 11,122 by 2040. The structure is 64 ft (19.5 m) long and 37 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nbl N. Sycamore ST over Four MI Run built?
It was built in 1971, making it 54 years old in 2025.
What condition is Nbl N. Sycamore ST over Four MI 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 March 2024.
How much traffic does Nbl N. Sycamore ST over Four MI Run carry?
About 7,944 vehicles per day (2020 count).
How long is Nbl N. Sycamore ST over Four MI Run?
The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 37 ft wide.
Who owns Nbl N. Sycamore ST over Four MI Run?
It is owned by the County Highway Agency.