SW Observatory over Branch Of Crooked Creek
Fair Condition42 years old122 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | 078062804 |
| Carries | SW Observatory |
| Crosses | Branch Of Crooked Creek |
| Coordinates | 41.53357, -91.56062 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 39.0 ft (11.9 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 86.9 sq m |
| Main Spans | 1 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 122 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000203401 |