Is 55 S over Gravois CR
Fair Condition64 years old53,950 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 26 T 44 N R 6 E |
| Carries | Is 55 S |
| Crosses | Gravois CR |
| Coordinates | 38.52371, -90.32084 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 271.0 ft (82.6 m) |
| Max Span | 65.9 ft (20.1 m) |
| Deck Width | 64.6 ft (19.7 m) |
| Deck Area | 1627.2 sq m |
| Main Spans | 5 |
| Year Built | 1962 (reconstructed 2022) |
Traffic
| Avg Daily Traffic | 53,950 (2024) |
| Truck Traffic | 18% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 438 |