Allder School Road over Trib. of Sf Catoctin Ck.
GoodLoudoun County, Virginia · 00.70 690 / 00.60 611 · Structure no. 000000000031124
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 2,086
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Allder School Road over Trib. of Sf Catoctin Ck. is a concrete culvert carrying Allder School Road over Trib. of Sf Catoctin Ck. in Loudoun County, Virginia. It was built in 2018, so it is 7 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,086 vehicles a day, projected to reach 3,379 by 2042. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Allder School Road over Trib. of Sf Catoctin Ck. built?
It was built in 2018, making it 7 years old in 2025.
What condition is Allder School Road over Trib. of Sf Catoctin Ck. 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 June 2024.
How much traffic does Allder School Road over Trib. of Sf Catoctin Ck. carry?
About 2,086 vehicles per day (2014 count).
How long is Allder School Road over Trib. of Sf Catoctin Ck.?
The structure is 34 ft (10.5 m) long with a longest span of 9 ft (2.7 m).
Who owns Allder School Road over Trib. of Sf Catoctin Ck.?
It is owned by the State Highway Agency.