MDX PROJECT No.: 83612
OWNER:

Miami Dade Expressway Authority (MDX)
3790 N.W. 21st Street
Miami, Fl 33142

Contact: Mr. Alfred Lurigados
(305) 637-3277

OWNER’S REP:

Dade Transportation Consultants, Inc.

DESIGN TEAM MEMBER:

HNTB, Inc.

CONTRACT AMT:
$38,893,291.00
CONTRACT TIME:
997 Days
 
GENERAL DESCRIPTION

The contract requires the complete design and construction of the re-aligned westbound SR 836 “Dolphin Expressway” from a point west of SW 97th Avenue to the southbound Homestead Extension of Florida Turnpike (HEFT).  The project consists of four vehicular bridges, roadway drainage, earthwork, asphaltic concrete roadway, six MSE retaining walls, retention ponds, roadway lighting, custom overhead sign structures, tree relocations.  Bridges 11 & 12 are comprised of steel box beams with integral post-tensioned concrete caps on spread footings.   Bridge 16 which spans NW 107th Avenue consists of Florida U-Beams, caps, columns and spread footings.  Bridge 10 is a widening of the existing HEFT Ramp over NW Flagler Street consists of AASHTO beams, cap, columns and footings with 18” pile foundations.  Temporary components to the project include support of embankments with sheet piles and soil anchors, excavation supports and traffic detours.

 

MAJOR CONSTRUCTION COMPONENTS

Volume of Concrete:

6,500 CY

Prestressed Concrete Girders Type III:

330 LF

Prestressed Concrete U-Beams
672 LF
Embankment
296,455 CY
Drainage Structures
58 EA
Overhead Sign Structures
3  EA
Structural Steel Girders
3,660,000 LB
Reinforcing Steel
1,450,000 LB
MSE Walls
85,000 SF
Asphaltic Concrete Pavement
70,405 SY
Drainage Pipes
6,448 LF
Pavement Markings
8,352 LF
 
Completion: August 12, 2005