Rock Sprng Rd/ Tr over Harding Ditch
Fair Condition125 years old50 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 1 Mi N US 50 |
| Carries | Rock Sprng Rd/ Tr |
| Crosses | Harding Ditch |
| Coordinates | 38.61538, -90.07444 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 35.4 ft (10.8 m) |
| Max Span | 34.4 ft (10.5 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 52.9 sq m |
| Main Spans | 1 |
| Year Built | 1901 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Truck Traffic | 22% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | Private |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082400000000000 |