FM 646 over Willow Bayou
Good Condition2 years old3,317 vehicles/day
Location
| State | Texas |
| County | Galveston |
| Location | 0.4 Mi N Of FM 2004 |
| Carries | FM 646 |
| Crosses | Willow Bayou |
| Coordinates | 29.32052, -95.08070 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 48.6 ft (14.8 m) |
| Deck Area | 315.2 sq m |
| Main Spans | 1 |
| Year Built | 2024 |
Traffic
| Avg Daily Traffic | 3,317 (2023) |
| Truck Traffic | 53% |
| Lanes On Bridge | 2 |
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 | 120850252303343 |