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CrownSpanŽ (US) and QuickSpanŽ (Canada)  
CrownSpan and QuickSpan Bridge Sections are rectangular three-sided structures mounted on cast-in-place footings. They can be installed for single or multiple cell applications and are recommended where:
Natural stream bottoms are desired
Wetlands must be spanned
The span is larger than can be accommodated with a standard box culvert
Cost and time of construction are critical

  product sales sheet
 
Applications
CrownSpan and QuickSpan are produced for the following:
New or replacement highway bridges
Storm drains
New culverts
Culvert extensions
Utility or pedestrian tunnels
Storage facilities
 
Sizes
CrownSpan sections are available with spans ranging from 10 feet to 40 feet and rises up to 12 feet. QuickSpan sections are available with spans ranging from 3.658m to 10.668m and rises up to 3.048m. Maximum and minimum sizes vary according to market area. Please contact your Hanson representative for specifics.
 
Joints
The following joints are normally available for CrownSpan sections:
Butt joints with an external joint wrapper
Terrafix 270R filter fabric – 600mm width (QuickSpan)
 
Linings/Coatings
A variety of linings and coatings are available as dictated by project conditions.
 
Applicable Specifications
The following specifications apply to CrownSpan and QuickSpan:
AASHTO Standard Specifications for Highway Bridges
ASTM C1504 Manufacture of Three-Sided Structures for Culverts and Storm Drains
State DOTs
Designed to CHBDC CAN/CSA S6-00 Standards
 
 
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