Morristown Road over Grand River
Fair Condition45 years old30 vehicles/day
Location
| State | South Dakota |
| County | Corson |
| Location | 18s & 1e Morristown |
| Carries | Morristown Road |
| Crosses | Grand River |
| Coordinates | 45.67602, -101.69726 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 174.9 ft (53.3 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 485.0 sq m |
| Main Spans | 3 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 30 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000016149190 |