Tr-316a over Bishop Creek
Good Condition39 years old50 vehicles/day
Location
| State | Illinois |
| County | Effingham |
| Location | 1 Mi NW Dietrich |
| Carries | Tr-316a |
| Crosses | Bishop Creek |
| Coordinates | 39.07941, -88.39821 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 113.2 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 025317500000000 |