400th Street over Drainage
Fair Condition78 years old40 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 077401102 |
| Carries | 400th Street |
| Crosses | Drainage |
| Coordinates | 41.47809, -95.42246 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 54.1 ft (16.5 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 95.7 sq m |
| Main Spans | 3 |
| Year Built | 1948 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 40 (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 | 000000000289860 |