Is 55 S over Portage Byu
Fair Condition60 years old10,226 vehicles/day
Location
| State | Missouri |
| County | New Madrid |
| Location | S 31 T 21 N R 13 E |
| Carries | Is 55 S |
| Crosses | Portage Byu |
| Coordinates | 36.41049, -89.69147 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 292.0 ft (89 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 943.4 sq m |
| Main Spans | 5 |
| Year Built | 1966 (reconstructed 2005) |
Traffic
| Avg Daily Traffic | 10,226 (2024) |
| Truck Traffic | 57% |
| Lanes On Bridge | 2 |
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 | 1141 |