SH 55 Ml over South Platte River
Good Condition39 years old460 vehicles/day
Location
| State | Colorado |
| County | Logan |
| Location | 1 Mi S Of Jct Sh55+us138 |
| Carries | SH 55 Ml |
| Crosses | South Platte River |
| Coordinates | 40.84139, -102.80502 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 515.1 ft (157 m) |
| Max Span | 145.0 ft (44.2 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 1742.7 sq m |
| Main Spans | 4 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 460 (2020) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | A-25-AR |