Keyser RD - Tr 310 over Little Mackinaw R.
Fair Condition55 years old100 vehicles/day
Location
| State | Illinois |
| County | Tazewell |
| Location | Sw-34-t24nr2w |
| Carries | Keyser RD - Tr 310 |
| Crosses | Little Mackinaw R. |
| Coordinates | 40.48588, -89.31879 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 47.9 ft (14.6 m) |
| Max Span | 45.9 ft (14 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 143.1 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 100 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 090316300000000 |