County Road 21 over Michigan River
Fair Condition43 years old158 vehicles/day
Location
| State | Colorado |
| County | Jackson |
| Location | 0.1 Mi W Of ST HWY 14 |
| Carries | County Road 21 |
| Crosses | Michigan River |
| Coordinates | 40.52589, -106.02864 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 117.8 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 158 (2023) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057002100.1023A |