Keystone RD over Stream
Fair Condition68 years old30 vehicles/day
Location
| State | Iowa |
| County | Clayton |
| Location | 094031605 |
| Carries | Keystone RD |
| Crosses | Stream |
| Coordinates | 42.95192, -91.19432 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| 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 | 44.9 ft (13.7 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 91.8 sq m |
| Main Spans | 1 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 30 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000120220 |