US 77 Nbfr over Arroyo Colorado
Fair Condition69 years old9,768 vehicles/day
Location
| State | Texas |
| County | Cameron |
| Location | 1.40 Mi NW Of FM 801 |
| Carries | US 77 Nbfr |
| Crosses | Arroyo Colorado |
| Coordinates | 26.17359, -97.70056 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 300.9 ft (91.7 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 49.2 ft (15 m) |
| Deck Area | 1375.5 sq m |
| Main Spans | 8 |
| Year Built | 1957 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 9,768 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 210310003907045 |