Park Road Tr 515a over I255 & Harding Ditch
Fair Condition45 years old200 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | Frank Holten State Park |
| Carries | Park Road Tr 515a |
| Crosses | I255 & Harding Ditch |
| Coordinates | 38.59353, -90.09117 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 442.6 ft (134.9 m) |
| Max Span | 112.9 ft (34.4 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 1875.1 sq m |
| Main Spans | 4 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 200 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082023300000000 |