SH 121 SB over Custer RD (fm 2478)
Good Condition21 years old90,861 vehicles/day
Location
| State | Texas |
| County | Collin |
| Location | 5.5 Mi W Of US 75 |
| Carries | SH 121 SB |
| Crosses | Custer RD (fm 2478) |
| Coordinates | 33.12532, -96.73293 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 320.9 ft (97.8 m) |
| Max Span | 121.1 ft (36.9 m) |
| Deck Width | 69.9 ft (21.3 m) |
| Deck Area | 2083.1 sq m |
| Main Spans | 3 |
| Year Built | 2005 (reconstructed 2008) |
Traffic
| Avg Daily Traffic | 90,861 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 10 |
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 | 180430036404136 |