Project Challenge
The project was required to be completed in 120 days with limited access and a significant amount of mason hand work required subsequent to completion of bridge demolition and construction. Existing masonry stones had to be dismantled, processed and reused. Dewatering of the brook and supporting the Arch Structure with steel trusses in order to excavate and pour lightweight concrete above. Accelerated Flood Channel Bridge demolition and construction in order to provide access for Arch Structure Construction.
Project Solution
South State, Inc. was contracted by the NJDOT to perform roadway and bridge improvements in order to provide a safer system for the traveling public along Rte. 206 in Princeton. The scope included restoration of the oldest bridge in continuous use in New Jersey, along with construction of its supporting overflow bridge. Construction activities that facilitated improvements included but were not limited to masonry restoration, large excavation, substructure and superstructure concrete, erection of concrete box beams, relief/sleeper slabs, dewatering, arch structure support and restoration, lightweight concrete, drainage improvements, gas main installation and construction of the roadway.
Project Gallery
Project Owner:
New Jersey Department of Transportation (NJDOT)
Location:
Princeton, NJ
Contract Value:
$7,408,821.27
Project Scope
Structure No. 1129-154 – Flood Channel Bridge
- Bridge Superstructure and Substructure Demolition & Construction
- Construction of Substructure Stone Facing
- Parapet Construction with Decorative Design
- Construction of Roadway Sleeper and Relief Slabs
Structure No. 1129-155 – Arch Bridge over Stony Brook
- Restoration of Arch Intrados Stone and Structure Walls
- Balanced Excavation over Arches
- Delicate Power Washing and Removal of Existing Concrete and Stone Obstructions over Arches
- Reinforcement of Arches with Steel and Lightweight Concrete
Worth’s Mill Ruins
- Masonry Stabilization of The Ruin Wall
Roadway Improvements
- Gas Main Installation
- Drainage Improvements
- Roadway Construction (Excavation, Subbase, DGA & Asphalt)
- Waterproof Bridge Surface Course
- Guiderail Installation