Tr 136a over N Henderson CR
Fair Condition52 years old25 vehicles/day
Location
| State | Illinois |
| County | Mercer |
| Location | Sw-20-t13nr3w |
| Carries | Tr 136a |
| Crosses | N Henderson CR |
| Coordinates | 41.10013, -90.76397 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 137.1 ft (41.8 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 309.3 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 25 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 066432300000000 |