420th ST over Drainage
Good Condition15 years old29 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 00000 |
| Carries | 420th ST |
| Crosses | Drainage |
| Coordinates | 41.39721, -95.38401 |
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 | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 71.0 sq m |
| Main Spans | 1 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 29 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000287472 |