340th over Rock Falls Creek
Fair Condition102 years old39 vehicles/day
Location
| State | Iowa |
| County | Cerro Gordo |
| Location | 097319003 |
| Carries | 340th |
| Crosses | Rock Falls Creek |
| Coordinates | 43.25548, -93.06670 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 58.3 sq m |
| Main Spans | 1 |
| Year Built | 1924 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 39 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000106440 |