S21c Comstock Spur over Middle Loup River
Good Condition62 years old170 vehicles/day
Location
| State | Nebraska |
| County | Custer |
| Location | 0w Comstock |
| Carries | S21c Comstock Spur |
| Crosses | Middle Loup River |
| Coordinates | 41.55500, -99.24900 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 252.0 ft (76.8 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 906.2 sq m |
| Main Spans | 4 |
| Year Built | 1964 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 170 (2018) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | SS21C00711 |