Tr 99b over Middleport Ditch #1
Fair Condition58 years old75 vehicles/day
Location
| State | Illinois |
| County | Iroquois |
| Location | 1 Mi E. Ill 1 |
| Carries | Tr 99b |
| Crosses | Middleport Ditch #1 |
| Coordinates | 40.83164, -87.72487 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 77.4 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
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 | 038462600000000 |