120 ST over Rock CR
Fair Condition35 years old35 vehicles/day
Location
| State | Missouri |
| County | Atchison |
| Location | S 4 T 66 N R 40 W |
| Carries | 120 ST |
| Crosses | Rock CR |
| Coordinates | 40.55357, -95.43654 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 139.1 ft (42.4 m) |
| Max Span | 74.5 ft (22.7 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 322.2 sq m |
| Main Spans | 3 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 35 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15015 |