FM 506 over Arroyo Colorado
Fair Condition68 years old2,126 vehicles/day
Location
| State | Texas |
| County | Cameron |
| Location | 0.90 Mi N Of FM 3067 |
| Carries | FM 506 |
| Crosses | Arroyo Colorado |
| Coordinates | 26.12962, -97.82366 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 303.1 ft (92.4 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 45.3 ft (13.8 m) |
| Deck Area | 1275.1 sq m |
| Main Spans | 10 |
| Year Built | 1958 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 2,126 (2024) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 210310087204004 |