450th Street over Stream
Fair Condition86 years old11 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 076390304 |
| Carries | 450th Street |
| Crosses | Stream |
| Coordinates | 41.40910, -95.32769 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 44.5 sq m |
| Main Spans | 1 |
| Year Built | 1940 (reconstructed 1987) |
Traffic
| Avg Daily Traffic | 11 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000287410 |