US 18 over Niobrara River
Fair Condition38 years old2,942 vehicles/day
Location
| State | Wyoming |
| County | Niobrara |
| Location | Lusk |
| Carries | US 18 |
| Crosses | Niobrara River |
| Coordinates | 42.76696, -104.45239 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 108.9 ft (33.2 m) |
| Max Span | 102.7 ft (31.3 m) |
| Deck Width | 65.0 ft (19.8 m) |
| Deck Area | 657.4 sq m |
| Main Spans | 1 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 2,942 (2024) |
| Truck Traffic | 14% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | FDE |