FM 521 over Mcfadden Slough
Fair Condition70 years old4,943 vehicles/day
Location
| State | Texas |
| County | Brazoria |
| Location | 1.60 Mi N Of SH 332 |
| Carries | FM 521 |
| Crosses | Mcfadden Slough |
| Coordinates | 29.07710, -95.55400 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 92.2 ft (28.1 m) |
| Max Span | 30.2 ft (9.2 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 396.2 sq m |
| Main Spans | 3 |
| Year Built | 1956 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 4,943 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 120200084703011 |