Tr 7a over Marshall Slough
Fair Condition27 years old100 vehicles/day
Location
| State | Illinois |
| County | Kankakee |
| Location | 2 Mi NE Manteno |
| Carries | Tr 7a |
| Crosses | Marshall Slough |
| Coordinates | 41.28009, -87.79875 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 55.4 ft (16.9 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 153.8 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 100 (2021) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 046347700000000 |