Mattis RD E over Is 55 Is 55
Good Condition31 years old1,586 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 4 T 43 N R 6 E |
| Carries | Mattis RD E |
| Crosses | Is 55 Is 55 |
| Coordinates | 38.49541, -90.34674 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 268.0 ft (81.7 m) |
| Max Span | 138.5 ft (42.2 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 1135.6 sq m |
| Main Spans | 2 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 1,586 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 12 |
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 | 3996 |