Tr-156 over Davidson Creek
Poor Condition117 years old25 vehicles/day
Location
| State | Illinois |
| County | Marion |
| Location | 4 Mi NW Salem |
| Carries | Tr-156 |
| Crosses | Davidson Creek |
| Coordinates | 38.66560, -89.02358 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 17.1 ft (5.2 m) |
| Deck Area | 39.5 sq m |
| Main Spans | 2 |
| Year Built | 1909 |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 20% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 061309200000000 |