Structure 29944 · Loudoun County, VA
Carries Gum Springs Road over Quarry Tunnel, 0.90fr234 0.85tocedar R.
A culvert 20 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.
| State | Virginia |
| County | Loudoun |
| Location | 0.90fr234 0.85tocedar R |
| Carries | Gum Springs Road |
| Crosses | Quarry Tunnel |
| Coordinates | 38.85696, -77.54752 |
| Material | Steel |
| Design | Culvert |
| Total Length | 20.3 ft (6.2 m) |
| Max Span | 20.3 ft (6.2 m) |
| Deck Area | 50.8 sq m |
| Main Spans | 1 |
| Year Built | 2012 |
| Avg Daily Traffic | 12,604 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 1 |
| Last Inspection | April 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | Not applicable |
| Structure Number | 000000000029944 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.