455 Avenue over Mahoney Ck
Poor Condition86 years old1,167 vehicles/day
Location
| State | South Dakota |
| County | Codington |
| Location | 3.3 S Jct Sd 20 E |
| Carries | 455 Avenue |
| Crosses | Mahoney Ck |
| Coordinates | 45.06007, -97.10656 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 79.4 ft (24.2 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 244.4 sq m |
| Main Spans | 3 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 1,167 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000015190063 |