SH 121 SB over Dart
Fair Condition8 years old16,527 vehicles/day
Location
| State | Texas |
| County | Collin |
| Location | 1 Mi N Of Melissa |
| Carries | SH 121 SB |
| Crosses | Dart |
| Coordinates | 33.27488, -96.57615 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 307.1 ft (93.6 m) |
| Max Span | 127.0 ft (38.7 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 1141.9 sq m |
| Main Spans | 1 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 16,527 (2011) |
| Truck Traffic | 13% |
| 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 | 180430054903227 |