Old 21 Road over Mill Creek
Good Condition20 years old120 vehicles/day
Location
| State | Iowa |
| County | Cherokee |
| Location | 092402306 |
| Carries | Old 21 Road |
| Crosses | Mill Creek |
| Coordinates | 42.77689, -95.53028 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 246.1 ft (75 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 735 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 120 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000000108951 |