Knickerbocker over Twin Butts Reservoir
Fair Condition64 years old823 vehicles/day
Location
| State | Texas |
| County | Tom Green |
| Location | 0.40 Mi SW Of FM 584 |
| Carries | Knickerbocker |
| Crosses | Twin Butts Reservoir |
| Coordinates | 31.33982, -100.51726 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 354.0 ft (107.9 m) |
| Max Span | 53.1 ft (16.2 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 917.1 sq m |
| Main Spans | 7 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 823 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 072260AA0227019 |