320 Rd. over Trib. N. Cottonwood Riv.
Poor Condition61 years old45 vehicles/day
Location
| State | Kansas |
| County | Marion |
| Location | 3.4n 3.7w Of Durham |
| Carries | 320 Rd. |
| Crosses | Trib. N. Cottonwood Riv. |
| Coordinates | 38.53672, -97.29911 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 7 (Good) |
| Culvert | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 6.9 ft (2.1 m) |
| Deck Width | 21.7 ft (6.6 m) |
| Deck Area | 42.2 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 45 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000570823905020 |