Tr 523a over Otter Creek
Good Condition93 years old250 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | N 15th E 2190 |
| Carries | Tr 523a |
| Crosses | Otter Creek |
| Coordinates | 41.15032, -88.74131 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 53.1 ft (16.2 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 128.0 sq m |
| Main Spans | 1 |
| Year Built | 1933 (reconstructed 1980) |
Traffic
| Avg Daily Traffic | 250 (2020) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 050323300000000 |