FM 121 over W Sister Grove Creek
Good Condition18 years old3,962 vehicles/day
Location
| State | Texas |
| County | Grayson |
| Location | 3.4 Mi E Of US 75 |
| Carries | FM 121 |
| Crosses | W Sister Grove Creek |
| Coordinates | 33.42899, -96.53162 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 149.9 ft (45.7 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 639.8 sq m |
| Main Spans | 3 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 3,962 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 010920072902183 |