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CRP 693 W Cashmere Bridge Replacement Project 1 2 Existing - - PowerPoint PPT Presentation
CRP 693 W Cashmere Bridge Replacement Project 1 2 Existing - - PowerPoint PPT Presentation
CRP 693 W Cashmere Bridge Replacement Project 1 2 Existing Condition of West Cashmere Bridge Multi-Design Bridge with Warren Truss Main Spans Total Length 503 feet Posted for No Trucks 3 Existing Condition Needed Repairs
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Existing Condition of West Cashmere Bridge
Multi-Design Bridge with Warren Truss Main Spans
Total Length 503 feet Posted for “No Trucks”
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Existing Condition
Needed Repairs
- Concrete structural
repairs & patching
- Riprap
Replacement
- Steel strengthening
- Steel cleaning and
painting
- Rail repairs
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- Span over US 2/97 and ramp down into a roundabout (RAB)
- Remove slip ramp and southern leg of intersection
- Frontage roads use RAB to access US 2 intersection
- Proposed structure carries all current regulated truck traffic
- Improves function at 4 intersections along US 2/97
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Highway US 2/97
PROPOSED Intersection & Approach Configuration
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North End Overview
- Restore existing north end bridge
entrance to native vegetation.
- Stormwater runoff will be treated
and remain onsite through use of infiltration ponds.
- Five way intersection roundabout
for optimal traffic flow and space configuration.
- Relocate signal pole to provide
larger turn radius for trucks heading westbound on US Hwy 2.
- Landscape design elements for
aesthetic appeal.
6 Hay Canyon Rd
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South End Overview
Plan View & Existing VS. Proposed Bridge Elevation
- Proposed bridge raised higher than the existing bridge to adhere
to BNSF and WSDOT regulations.
- Stormwater runoff will be treated and remain onsite through use
- f an infiltration pond and drywells.
Landscape restoration Shoulder rock Driveway match Stormwater facility Driveway match
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New Structure Length 952 feet Total Main Bridge Span 732 feet Bridge Ramps Down to a Roundabout Bridge Maintains the Only Overhead Crossing of the RR in and around Cashmere
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Cross Section: Two 12-foot driving lanes; Two 5-foot shoulders; One 6-foot sidewalk
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Traffic Control Plan 1
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Detour During Bridge Closure
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Traffic Control Plan 2
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Detour During US2 Closure (Night-time Only)
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