Or 55 S over Isle Du Bois CR
Fair Condition57 years old31 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 2078 T 39 N R 7 E |
| Carries | Or 55 S |
| Crosses | Isle Du Bois CR |
| Coordinates | 38.08943, -90.30013 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| 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 | 138.1 ft (42.1 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 395.7 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 31 (2024) |
| Truck Traffic | 13% |
| 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 | 1741 |