Is 55 N over RT Z
Fair Condition61 years old40,739 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 420 T 41 N R 6 E |
| Carries | Is 55 N |
| Crosses | RT Z |
| Coordinates | 38.28713, -90.40283 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 149.0 ft (45.4 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 558.4 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 40,739 (2024) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 804 |