SB I-29 over Drainage Ditch
Good Condition17 years old6,850 vehicles/day
Location
| State | Iowa |
| County | Mills |
| Location | 4.3 Mi. S Of S Jct. US 34 |
| Carries | SB I-29 |
| Crosses | Drainage Ditch |
| Coordinates | 40.93827, -95.80001 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 123.0 ft (37.5 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 495 sq m |
| Main Spans | 3 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 6,850 (2022) |
| Truck Traffic | 31% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000036191 |