Ch 7 Fas 643 over Flat Branch
Fair Condition43 years old400 vehicles/day
Location
| State | Illinois |
| County | Christian |
| Location | 3.25 Mi S Stonington |
| Carries | Ch 7 Fas 643 |
| Crosses | Flat Branch |
| Coordinates | 39.58628, -89.19504 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 317.6 ft (96.8 m) |
| Max Span | 122.0 ft (37.2 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 793.8 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 400 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 011331700000000 |