N21 over Platte River
Good Condition39 years old1,755 vehicles/day
Location
| State | Nebraska |
| County | Dawson |
| Location | 1s Cozad |
| Carries | N21 |
| Crosses | Platte River |
| Coordinates | 40.83200, -99.99240 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 674.9 ft (205.7 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 2674.1 sq m |
| Main Spans | 10 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 1,755 (2018) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2021 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S021 01167 |