M21 W AVE over Branch Maple River
Poor Condition56 years old369 vehicles/day
Location
| State | Iowa |
| County | Cherokee |
| Location | 091390202 |
| Carries | M21 W AVE |
| Crosses | Branch Maple River |
| Coordinates | 42.72758, -95.42700 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 213.8 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 369 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000107790 |