27260 418 Ave. over Pony Ck
Poor Condition87 years old81 vehicles/day
Location
| State | South Dakota |
| County | Hutchinson |
| Location | 1.9w 0.6n Milltown |
| Carries | 27260 418 Ave. |
| Crosses | Pony Ck |
| Coordinates | 43.43360, -97.83816 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 38.7 ft (11.8 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 106.2 sq m |
| Main Spans | 1 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 81 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000034140046 |