FM 509 over Arroyo Colorado
Good Condition33 years old6,619 vehicles/day
Location
| State | Texas |
| County | Cameron |
| Location | 0.55 Mi S Of FM 106 |
| Carries | FM 509 |
| Crosses | Arroyo Colorado |
| Coordinates | 26.18210, -97.63239 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 319.9 ft (97.5 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 96.8 ft (29.5 m) |
| Deck Area | 2876.2 sq m |
| Main Spans | 4 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 6,619 (2024) |
| Truck Traffic | 31% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 210310236901001 |