SH 121 over Sister Grove Ck Trib #4
Good Condition5 years old15,069 vehicles/day
Location
| State | Texas |
| County | Collin |
| Location | 4.55 Mi NE Of FM 545 |
| Carries | SH 121 |
| Crosses | Sister Grove Ck Trib #4 |
| Coordinates | 33.32116, -96.49931 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 203.7 sq m |
| Main Spans | 2 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 15,069 (2020) |
| Truck Traffic | 11% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 180430054903233 |