Is 55 S over Isle Dubois CR
Fair Condition56 years old13,572 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 2078 T 39 N R 7 E |
| Carries | Is 55 S |
| Crosses | Isle Dubois CR |
| Coordinates | 38.08934, -90.29963 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 206.0 ft (62.8 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 778.7 sq m |
| Main Spans | 3 |
| Year Built | 1970 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 13,572 (2024) |
| Truck Traffic | 30% |
| Lanes On Bridge | 2 |
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 | 1672 |