Tr 580 over Trib Sangamon River
Good Condition46 years old50 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 1.5 Mi Nnw Saybrook |
| Carries | Tr 580 |
| Crosses | Trib Sangamon River |
| Coordinates | 40.44702, -88.53602 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 40.4 ft (12.3 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 109.5 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 50 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057361600000000 |