FM - Boston over Troublesome River
Fair Condition49 years old45 vehicles/day
Location
| State | Iowa |
| County | Cass |
| Location | 077351003 |
| Carries | FM - Boston |
| Crosses | Troublesome River |
| Coordinates | 41.49004, -94.85798 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 151.9 ft (46.3 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 421.3 sq m |
| Main Spans | 3 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 45 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000100631 |