FM 521 over Dead Slough
Good Condition70 years old1,595 vehicles/day
Location
| State | Texas |
| County | Matagorda |
| Location | 0.70 Mi SW Of FM 457 |
| Carries | FM 521 |
| Crosses | Dead Slough |
| Coordinates | 28.92901, -95.73767 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 230.2 sq m |
| Main Spans | 3 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 1,595 (2024) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 131580084705013 |