Il 121 (fap 320) over Jonathan Creek
Good Condition59 years old5,700 vehicles/day
Location
| State | Illinois |
| County | Moultrie |
| Location | 3 Mi E Of Sullivan |
| Carries | Il 121 (fap 320) |
| Crosses | Jonathan Creek |
| Coordinates | 39.60080, -88.54674 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 223.1 ft (68 m) |
| Max Span | 84.3 ft (25.7 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 897.6 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 5,700 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 070000300000000 |