470th Street over Stream
Fair Condition47 years old60 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 077391304 |
| Carries | 470th Street |
| Crosses | Stream |
| Coordinates | 41.46770, -95.28879 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 96.1 ft (29.3 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 25.3 ft (7.7 m) |
| Deck Area | 225.6 sq m |
| Main Spans | 3 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 60 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000289621 |