Project Description:
|
MANSFIELD- FOXBOROUGH- BRIDGE REHABILITATION, M-03-026, GROVE STREET OVER I-95; M-03-027, I-495 OVER I-95; F-06-027, I-495 OVER I-95 & M-03-028, WEST STREET OVER I-495
MassDOT is bundling several bridges on different roadways in Mansfield into one construction project. The work on the bridge carrying Grove Street over I-95 shall consist of milling and resurfacing the bridge approach wearing surface up to +/- 50’; reconstructing the approach sidewalk and repairing the deck joints; repairing or patching all spalls or pop outs in parapets or in the deck or concrete encased diaphragms; repairing all spalls, cracks or pop outs on pier caps, back walls; upgrading the existing bridge guardrail to meet FHWA specifications; repairing, cleaning and painting all structural steel elements.
The work on the bridge carrying I-495 over I-95 shall consist of repairing all pitting and section loss in girders; repairing all cracks or spallings in the deck; repairing all cracks or delaminations on bridge seats; repairing or patching all cracks, spalls in the back walls, breast walls and wing walls; upgrading the existing bridge guardrail to meet FHWA specifications; painting is not required for this bridge.
The work on the bridge carrying West Street over I-495 shall consist of joint work; cleaning (full removal) and painting of structural steel; patching cracks on wearing surface; repairing all spalls or delaminations on parapets and sidewalks; repairing delamination on breast walls or cracks, spalls on wing walls; improving the drainage system.
High performance reinforced concrete proposed for the superstructure joint work and the sections of the deck partially needing to be replaced. The deck on these bridges is not in need of wearing surface.
Full painting of the structural steel will be performed in accordance with the Special Standard Provisions for Cleaning and Painting Structural Steel.
Substructure elements shall be repaired as required. Concrete deterioration and hollow sections shall be excavated and surfaces shall be repaired as required. Missing slope paving will be replaced as it is needed.
Approach guardrail transitions shall be replaced/upgraded in accordance with current standards for all these bridges. Bridge railing on these bridges are also non standard but they are all in good condition. There is a minor hit damage on the rail pickets on the I-495 bridge. Approaches and all roadway sections within the limit of work shall be milled and paved to a distance of 25’± at each approach for all these bridges. No change in profile is anticipated.
|