SH 121 NB Ramp A over Srt NB On Ramp B
Good Condition17 years old21,000 vehicles/day
Location
| State | Texas |
| County | Collin |
| Location | 0.53 Mi NE Of Dnt |
| Carries | SH 121 NB Ramp A |
| Crosses | Srt NB On Ramp B |
| Coordinates | 33.09443, -96.81063 |
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 | 399.9 ft (121.9 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 1036.2 sq m |
| Main Spans | 4 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 21,000 (2010) |
| Truck Traffic | 7% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | Local Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 180430036404166 |