Knob Hill RD over Trib W Prong Sister Grov
Good Condition24 years old45 vehicles/day
Location
| State | Texas |
| County | Grayson |
| Location | 3.25 Mi W Of FM 2729 |
| Carries | Knob Hill RD |
| Crosses | Trib W Prong Sister Grov |
| Coordinates | 33.47409, -96.52650 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 120.1 sq m |
| Main Spans | 1 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 45 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 010920AA0222001 |