FM 491 over Mercedes Canal
Good Condition19 years old2,704 vehicles/day
Location
| State | Texas |
| County | Hidalgo |
| Location | 2.7 Mi N Of US 83 |
| Carries | FM 491 |
| Crosses | Mercedes Canal |
| Coordinates | 26.19459, -97.91080 |
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 | Box Beam - Multiple |
| Total Length | 75.1 ft (22.9 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 320.6 sq m |
| Main Spans | 1 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 2,704 (2020) |
| Truck Traffic | 35% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 211090086101017 |