US 30 Fap 573 over Somonauk Creek
Good Condition10 years old3,100 vehicles/day
Location
| State | Illinois |
| County | DeKalb |
| Location | 1.34 Mi E Of Il 23 |
| Carries | US 30 Fap 573 |
| Crosses | Somonauk Creek |
| Coordinates | 41.76940, -88.72825 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 81.7 ft (24.9 m) |
| Max Span | 78.4 ft (23.9 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 328.7 sq m |
| Main Spans | 1 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 3,100 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 019004900000000 |