Unique Approach – Unique Solution
Tempe, Arizona
Project
Description:
The Cities of Phoenix, Tempe, and Mesa have combined their
resources along with the Federal Transportation Authority to provide a
light rail transit system for the Phoenix metropolitan area. The first
corridor extends 20 miles from the city of Phoenix through the cities
of Tempe and Mesa. The Town Lake Bridge project is located just north
of downtown Tempe where the light rail line crosses Tempe Town Lake, a
man made lake within the banks of the Salt River.
Structural
Grace, Inc. provided construction management services for the construction
of the $21 million Town Lake Bridge Project. The staff consisted of the
Resident Engineer, Office Engineer and four Inspectors. The Town Lake
Bridge consists of an 11-span structure with a concrete deck and steel
truss superstructure on concrete piers. The structure has an overall length
of 1,546 feet. The North and South approaches to the bridge are of retained
earth fill and are approximately 2400 feet in total length. The construction
work included cast-in-place drilled shaft pier foundations socketed into
bedrock, cast-in-place concrete pier caps, concrete abutments, concrete
retaining walls, steel pipe trusses, cast-in-place concrete deck, specialty
LED lighting, demolition, relocation of public utilities, roadway relocations
and drainage modifications, systems duct bank conduits, streetlights,
overhead catenary system pole foundations, construction of track embankment
and installation of direct fixation rail concrete track slab. The project
duration was 18 months and was completed on time and within budget in
September
2006.
