Tr-310 over Dieterich Creek
Poor Condition117 years old100 vehicles/day
Location
| State | Illinois |
| County | Effingham |
| Location | 2 Mi SW Dieterich |
| Carries | Tr-310 |
| Crosses | Dieterich Creek |
| Coordinates | 39.02700, -88.41812 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 17.1 ft (5.2 m) |
| Deck Width | 23.3 ft (7.1 m) |
| Deck Area | 71.7 sq m |
| Main Spans | 2 |
| Year Built | 1909 |
Traffic
| Avg Daily Traffic | 100 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 025314200000000 |