FM 646 over Briscoe Canal
Good Condition15 years old13,321 vehicles/day
Location
| State | Texas |
| County | Galveston |
| Location | 1.19 Mi N Of FM 1764 |
| Carries | FM 646 |
| Crosses | Briscoe Canal |
| Coordinates | 29.40797, -95.09215 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 5.9 ft (1.8 m) |
| Deck Width | 86.0 ft (26.2 m) |
| Deck Area | 175.5 sq m |
| Main Spans | 3 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 13,321 (2020) |
| Truck Traffic | 3% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 120850097801056 |