Is 55 N over Portage Byu
Fair Condition60 years old8,462 vehicles/day
Location
| State | Missouri |
| County | Pemiscot |
| Location | S 31 T 21 N R 13 E |
| Carries | Is 55 N |
| Crosses | Portage Byu |
| Coordinates | 36.41027, -89.69124 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very 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 | 228.0 ft (69.5 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 736.7 sq m |
| Main Spans | 4 |
| Year Built | 1966 (reconstructed 2005) |
Traffic
| Avg Daily Traffic | 8,462 (2024) |
| Truck Traffic | 55% |
| 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 | 1663 |