Il-16 & 100 over Illinois River & Tr-423
Poor Condition96 years old2,250 vehicles/day
Location
| State | Illinois |
| County | Greene |
| Location | At Hardin Illinois |
| Carries | Il-16 & 100 |
| Crosses | Illinois River & Tr-423 |
| Coordinates | 39.16025, -90.61614 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 3 (Serious) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Movable - Lift |
| Total Length | 2150.3 ft (655.4 m) |
| Max Span | 311.0 ft (94.8 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 4587.8 sq m |
| Main Spans | 1 |
| Year Built | 1930 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 2,250 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 031000100000000 |