E 18th ST over I229
Fair Condition67 years old6,500 vehicles/day
Location
| State | South Dakota |
| County | Minnehaha |
| Location | 18th ST Overhead |
| Carries | E 18th ST |
| Crosses | I229 |
| Coordinates | 43.53667, -96.69359 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 166.0 ft (50.6 m) |
| Max Span | 47.6 ft (14.5 m) |
| Deck Width | 51.5 ft (15.7 m) |
| Deck Area | 794.4 sq m |
| Main Spans | 4 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 6,500 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000050219215 |