County Road 55 over South Platte River
Fair Condition36 years old345 vehicles/day
Location
| State | Colorado |
| County | Logan |
| Location | 1.2 Mi S Of HWY 138 |
| Carries | County Road 55 |
| Crosses | South Platte River |
| Coordinates | 40.74708, -103.05588 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 310.4 ft (94.6 m) |
| Max Span | 101.0 ft (30.8 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 946 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 345 (2023) |
| Truck Traffic | 38% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | LOG55-44.0-143A |