Auburn ST over Rock River
Fair Condition88 years old22,600 vehicles/day
Location
| State | Illinois |
| County | Winnebago |
| Location | 0.4 Mi W Of Ill 251 |
| Carries | Auburn ST |
| Crosses | Rock River |
| Coordinates | 42.28869, -89.06548 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 642.1 ft (195.7 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 76.8 ft (23.4 m) |
| Deck Area | 4579.4 sq m |
| Main Spans | 8 |
| Year Built | 1938 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 22,600 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 101011500000000 |