M Avenue over Middle Tarkio River
Poor Condition75 years old5 vehicles/day
Location
| State | Iowa |
| County | Page |
| Location | 070370506 |
| Carries | M Avenue |
| Crosses | Middle Tarkio River |
| Coordinates | 40.89651, -95.13728 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 5 (Fair) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 162.1 ft (49.4 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 242.1 sq m |
| Main Spans | 1 |
| Year Built | 1951 (reconstructed 1983) |
Traffic
| Avg Daily Traffic | 5 (2022) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000267860 |