Old Mill Bridge

Responsibilities

  • Survey
  • Easement Right-of-Way Plans
  • Base Mapping
  • Courthouse Research
  • Historic Preservation
  • Utility Coordination
  • Hydrology and Hydraulics
  • Drainage Design
  • Permitting
  • Preliminary and Final Design of Replacement Bridge
  • Preliminary and Final Design Roadway/Highway - Rehabilitation
  • Preliminary and Final Design Roadway/Highway - Safety improvements
  • Traffic Control
  • Erosion Control/NPDES Permitting
  • Construction Inspection
  • Construction Management

Owner

Saltillo Borough, Huntingdon County

Project Details

This project involved replacement of the existing bridge carrying Old Mill Road over North Spring Creek. Improvements consisted of replacing the existing structurally deficient single lane bridge with a new single lane P/S Concrete Spread Box Beam structure. With minor profile adjustments, the new structure was constructed on the existing horizontal roadway alignment. Drainage work, including new inlets, was included to better control drainage adjacent to the historic Hudson Grist Mill property.

Safety improvements were made to the approach roadway and at the intersection of SR 0655 where site distance was a challenge. This project also required improvements that met design criteria to fit into the community context while limiting impacts to the historic mill, the East Broad Top Railroad (a National Historic Landmark) right-of-way, and area wetlands. The mill race drainage structure was required to be extended to accommodate the widened roadway near the mill and a new reinforced concrete headwall was constructed and faced with the masonry stonework from the original headwall.

Photos

[The] entire staff did a wonderful job! We truly appreciate all the hard work in making our bridge project a success and something we can be very proud to have in our township. Bev Sherwood Burns, Supervisor Blacklick Township

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