Tr 20 over Keating Creek
Fair Condition43 years old25 vehicles/day
Location
| State | Illinois |
| County | Mercer |
| Location | Sw-8-t15nr5w |
| Carries | Tr 20 |
| Crosses | Keating Creek |
| Coordinates | 41.30474, -90.99129 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 52.5 ft (16 m) |
| Max Span | 49.5 ft (15.1 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 118.4 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 25 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 066551300000000 |