SR 18 over Salmon Ditch
Fair Condition21 years old235 vehicles/day
Location
| State | Indiana |
| County | Benton |
| Location | 00.59 W SR 71 |
| Carries | SR 18 |
| Crosses | Salmon Ditch |
| Coordinates | 40.62238, -87.50216 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 59.7 ft (18.2 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 192.9 sq m |
| Main Spans | 3 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 235 (2021) |
| Truck Traffic | 29% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 004520 |