Hirst Brault Exp. over Chain Bridge Rd. Rte3547
Fair Condition43 years old15,648 vehicles/day
Location
| State | Virginia |
| County | Fairfax |
| Location | 02.12fr66/oo.22to123 |
| Carries | Hirst Brault Exp. |
| Crosses | Chain Bridge Rd. Rte3547 |
| Coordinates | 38.92729, -77.20024 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 69.9 ft (21.3 m) |
| Deck Area | 779.6 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 15,648 (2022) |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006503 |