Is 55 N over Gravois CR
Fair Condition64 years old52,694 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 26 T 44 N R 6 E |
| Carries | Is 55 N |
| Crosses | Gravois CR |
| Coordinates | 38.52349, -90.32076 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 262.1 ft (79.9 m) |
| Max Span | 65.9 ft (20.1 m) |
| Deck Width | 64.6 ft (19.7 m) |
| Deck Area | 1574.0 sq m |
| Main Spans | 5 |
| Year Built | 1962 (reconstructed 2022) |
Traffic
| Avg Daily Traffic | 52,694 (2024) |
| Truck Traffic | 12% |
| Lanes On 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 | 439 |