Bus 77 over Arroyo Colorado
Fair Condition79 years old33,866 vehicles/day
Location
| State | Texas |
| County | Cameron |
| Location | 0.40 Mi N Of Lp 499 |
| Carries | Bus 77 |
| Crosses | Arroyo Colorado |
| Coordinates | 26.17700, -97.67729 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 437.0 ft (133.2 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 90.2 ft (27.5 m) |
| Deck Area | 3,663 sq m |
| Main Spans | 3 |
| Year Built | 1947 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 33,866 (2024) |
| Truck Traffic | 2% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 210310003912035 |