SH 121 Sbml over US 75
Good Condition15 years old19,784 vehicles/day
Location
| State | Texas |
| County | Collin |
| Location | At Int Of SH 121 & US 75 |
| Carries | SH 121 Sbml |
| Crosses | US 75 |
| Coordinates | 33.15857, -96.64459 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 636.2 ft (193.9 m) |
| Max Span | 132.9 ft (40.5 m) |
| Deck Width | 60.0 ft (18.3 m) |
| Deck Area | 3548.4 sq m |
| Main Spans | 4 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 19,784 (2020) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 14 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 48 months |
| Owner | Local Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 180430004706618 |