FM 493 over Drainage Ditch
Good Condition51 years old1,051 vehicles/day
Location
| State | Texas |
| County | Hidalgo |
| Location | 0.50 Mi S Of SH 186 |
| Carries | FM 493 |
| Crosses | Drainage Ditch |
| Coordinates | 26.48567, -98.00589 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 90.9 ft (27.7 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 307.5 sq m |
| Main Spans | 2 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 1,051 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 211090086303008 |