Tr 354a over Otter Creek
Good Condition100 years old50 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | E 21st N 1440 |
| Carries | Tr 354a |
| Crosses | Otter Creek |
| Coordinates | 41.14043, -88.75900 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 41.3 ft (12.6 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 103.5 sq m |
| Main Spans | 1 |
| Year Built | 1926 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 50 (2016) |
| Truck Traffic | 10% |
| 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 | 050320300000000 |