Mcconnels Mill RD over Slippery Rock Creek
Poor Condition151 years old150 vehicles/day
Location
| State | Pennsylvania |
| County | Lawrence |
| Location | 037020 Slippery Rock Twp |
| Carries | Mcconnels Mill RD |
| Crosses | Slippery Rock Creek |
| Coordinates | 40.95293, -80.17029 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 90.9 ft (27.7 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 131.2 sq m |
| Main Spans | 1 |
| Year Built | 1875 |
Traffic
| Avg Daily Traffic | 150 (2006) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000022561 |