Armstrong Street over I&m Canal
Poor Condition36 years old1,000 vehicles/day
Location
| State | Illinois |
| County | Grundy |
| Location | 150 E Of Washington |
| Carries | Armstrong Street |
| Crosses | I&m Canal |
| Coordinates | 41.36511, -88.40408 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 3 (Serious) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 84.0 ft (25.6 m) |
| Max Span | 29.2 ft (8.9 m) |
| Deck Width | 44.9 ft (13.7 m) |
| Deck Area | 350.7 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 1,000 (2024) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 032701000000000 |