South Main Street Bridge (CR 533) Bridge G0701

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Manville Borough

Replacement of Bridge No. G0701 South Main Street (CR 533)
Borough of Manville

Construction Announcement

Somerset County Bridge G0701 on South Main Street (CR 533), located between Roosevelt Avenue/Kyle Street and Kennedy Boulevard, will be under construction for the next 18 months.  The new bridge will be reconstructed in three separate stages, with through vehicular and pedestrian traffic and local business access maintained throughout the project. 

Starting Thursday, February 2nd, Stage 1 traffic control will be implemented.  Traffic heading southbound on Main Street will be shifted slightly to the east to allow for the demolition and replacement of the western portion of the existing bridge.  Left turn lanes will be temporarily eliminated; motorists should follow the posted signs.

UPDATE (10-20-2017):  On Thursday, October 19th, Stage 2 traffic control was implemented.  Traffic heading southbound on Main Street is now shifted to the west onto the newly constructed portion of the new bridge.  This will allow for the demolition and replacement of the center portion of the existing bridge. 

A full road closure at the bridge with a posted detour will be implemented over approximately 10 evenings between the hours of 9 p.m. and 6 a.m. at various times during construction.  A number of overhead and underground utility relocations at and adjacent to the project limits also will be performed during construction. 

The County will provide updates during construction to provide advance notice for the various staged traffic shifts and nighttime detour schedules.

A diagram of the Traffic Stages 1-3 can be viewed here.       

Project Summary

County Bridge No. G0701 carries South Main Street (CR533) over Royce Brook in the Borough of Manville. The existing bridge is two-span simply supported concrete encased steel stringers and one prestressed concrete box beam superstructure on concrete pier and abutments. The existing 59’-8” two- span bridge provides a 46’-4” clear roadway width with sidewalks on both sides. The substructure is in fair condition due to scaling and cracks with efflorescence at the pier and both abutments. The superstructure is in fair to poor condition due to spalled concrete encasement with exposed rusted reinforcing steel, stringers with section loss, and multiple areas of deck deterioration. The bridge is currently classified as functionally obsolete due to the inadequate deck geometry; in addition, the structure sufficiency rating is less than 50. Structural repairs continue to be required.

The purpose of this project is to restore the structural capacity of the bridge by complete replacement of the existing structure with a two-span, multi-stringers with concrete deck superstructure supported on concrete pier and abutments. To improve the functionally obsolete classification, the County is providing a 46’-4” clear roadway width to match the existing approach roadway and providing two 8’-0” wide sidewalks across the bridge.

Project Location Map

1930 Construction Plans – Replacement (3 Sheets)

1970 Construction Plans – Widening (16 Sheets)

For more information contact the Engineering Division.

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