US 150 over Spoon River
Poor Condition96 years old1,100 vehicles/day
Location
| State | Illinois |
| County | Knox |
| Location | 4 Mi W Of Ill 180 |
| Carries | US 150 |
| Crosses | Spoon River |
| Coordinates | 40.90771, -90.08719 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 3 (Serious) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 594.2 ft (181.1 m) |
| Max Span | 70.5 ft (21.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 1774.8 sq m |
| Main Spans | 11 |
| Year Built | 1930 (reconstructed 1980) |
Traffic
| Avg Daily Traffic | 1,100 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 048003100000000 |