James S Mcdonnell over Is 70
Fair Condition42 years old8,406 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 656 T 46 N R 6 E |
| Carries | James S Mcdonnell |
| Crosses | Is 70 |
| Coordinates | 38.73321, -90.34382 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 264.1 ft (80.5 m) |
| Max Span | 115.2 ft (35.1 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 1119.0 sq m |
| Main Spans | 2 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 8,406 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 10 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 3456 |