Tr 99b over Middleport Ditch Tri
Fair Condition16 years old75 vehicles/day
Location
| State | Illinois |
| County | Iroquois |
| Location | 2 Mi E Ill 1 |
| Carries | Tr 99b |
| Crosses | Middleport Ditch Tri |
| Coordinates | 40.83214, -87.70523 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 77.4 ft (23.6 m) |
| Max Span | 73.2 ft (22.3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 214.8 sq m |
| Main Spans | 1 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 038463500000000 |