Tr 121 over Seven Mile Creek
Fair Condition36 years old50 vehicles/day
Location
| State | Illinois |
| County | Massac |
| Location | 0.25 Mi W Of Ch 8 |
| Carries | Tr 121 |
| Crosses | Seven Mile Creek |
| Coordinates | 37.17486, -88.62568 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 61.4 ft (18.7 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 138.4 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 50 (2020) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 064311000000000 |