Loading...
HomeMy WebLinkAboutDocumentation_Regular_Tab 01_5/9/2019SR-5/US-1 Federal Highway Bridge Replacement F`. CR-A1Ato Beach Road I Palm Beach County, Florida �tf Financial Project Id 428400-2-32-01 Village of Tequesta 0%- Village Council Meeting May 9, 2019 w � _ . C��,-Xr IA FDC]� Florida Department of Transportation r TsC - wr��,z §® ter:. x .. " '. � ��..•'�� 2. � �. 4 �' oil 71 FDOTk. Florida Department of Transportation W-_ tj. i Proposed Replacement Bridge • Existing bridge from Sawfish Bay Park • New bridge includes twin double leaf bascule span — similar to existing bridge 1 ta � tt , Existing bridge south approach spans New bridge south approach spans (observation deck not shown for clarity) FDOT� Florida Department of Transportation 4 FDO Florida Department of Transportation 5 Bridge Lane Configuration a Improved facilities for pedestrians and bicyclists AIL (Amst SHAJS-1 64.8' ! 1-1,0 2! Sh.1d. —L-2- Traffic ra ffi, Se"rawr 10(Y-6" 19' - 6" MEDIAN 11' - (Y' 1. . I.. 14' - 15" -I- 98pac- = eq - 3" 111-01, Had 5- 7 1T 91 Proposed Solid Bridge Deck Solid bridge deck: Quieter Improved ride for vehicles, bicyclists, and motorcyclists Navigation Clearances Placement of Proposed Bridge Right-of-way constraints prohibit placement of proposed bridge adjacent to existing bridge alignment Placement of proposed bridge on existing bridge alignment is only option Evaluation of placing proposed bridge on existing bridge alignment included: ❑ Detour traffic during construction of new bridge ❑ Phased construction: place traffic to one side of existing bridge and build new bridge in phases Phased Construction Evaluation Requires delicate removal of half existing bridge M 3-4 month detour required for removal operation Extraction of existing foundation piles adjacent to new foundation ., Risk of existing bridge settlementlmalfunction y-------- - - prompting extended closures and construction delays Vehicular, bicyclists, and pedestrian traffic impacted by existing bridge openings Delays getting new bicycle and pedestrian facilities Waterline Remove Half Existing Existing i3ridge Foundation Phase-2 Foundation Hybrid -Phased Construction • Optimizes benefits of phasing and detour • Consideration of all stakeholders Avoids delicate removal of half existing bridge ❑ Targets fast track construction of half of new bridge ❑ Higher bridge with less frequent openings upon opening half of new bridge ❑ Bicycle/Pedestrian facility provided upon opening of half of new bridge r , i� AMR I. !. - - Intersection Improvements & Traffic Management Evaluating viability of intersection improvements along detour route Mitigate community impacts during detour Conducted detailed traffic studies at following intersections: ❑ US 1 at Beach Rd/Alt A 1 A at Old Dixie Hwy El ALT Al A at SR 706 ❑ US 1 at SR 706 FDCT is working with Palm Beach County to evaluate traffic management to maintain mobility during construction e +.oxahatch. Rfyer F Center St. MEN , INTERSECTION IMPROVEMENT 2 ALT A1A at 5R 706 r= [Cit 7071 f,rrage c,osure ins US1 Bridge Closed to Traffic Bridge Closure Ends Indiantawn Rd., _ (5 7R 06) �� Construction Schedule Total Duration 42 — 45 months Detour Duration 18 — 20 months* *Detour duration for full closure is for demolition of existing bridge and construction of half of new bridge i .r;. r--~ � •�sy in AW,=-� Questions ?