397th Avenue over Mud Creek
Poor Condition96 years old98 vehicles/day
Location
| State | South Dakota |
| County | Brown |
| Location | 1e & 3.8s Of Stratford |
| Carries | 397th Avenue |
| Crosses | Mud Creek |
| Coordinates | 45.25929, -98.28937 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 84.0 ft (25.6 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 22.3 ft (6.8 m) |
| Deck Area | 174.1 sq m |
| Main Spans | 3 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 98 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000007210468 |