City Island Bridge Replacement

Project Details

ROLE
Subcontractor

CONTRACT AMOUNT
$3.7 Million

OWNER
New York City Department of Transportation

LOCATION
Bronx, NY

ARCHITECT
Henningson, Durham & Richardson Architecture and Engineering, PC

SIZE
570 Linear Feet

COMPLETION
2017

Project Description

This project consisted of the demolition and replacement of the City Island Bridge. Included was the construction, maintenance, and removal of a temporary bridge; landscaping; guide rail; turbidity control; treatment and disposal of contaminated fluids and excavated material; archaeological monitoring and recording; asbestos mitigation; asphalt and portland concrete cement pavement; drilled shafts; steel sheeting; cofferdams; concrete bridge deck; structural steel; drainage structures; concrete sidewalks; concrete and steel faced curb; maintenance of traffic; lighting and electrical; water main; and pavement markings.

The project included eight caissons; 4-inch diameter, 5-foot-deep, permanent casing; 42-inch diameter rock socket; one Osterber load test, installed over water for pier foundations. It also utilized 52 micropiles; 13-inch diameter, 40-feet deep, permanent casing; and 12-inch rock socket, tested to 600 KIPS.