Keystone Ave. over Stream
Fair Condition62 years old39 vehicles/day
Location
| State | Iowa |
| County | Butler |
| Location | 093172602 |
| Carries | Keystone Ave. |
| Crosses | Stream |
| Coordinates | 42.84573, -92.82993 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 21.7 ft (6.6 m) |
| Deck Area | 84.5 sq m |
| Main Spans | 1 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 39 (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 | 000000000089790 |