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timber bridges cost less than concrete with the same durability for low volume roads under 1,000 per day
when designed/ constructed properly remain durable 75+ year structures that have a cost in place less than concrete structures.
Guardian off site manufactures bridges for on site assembly with all bridge systems modular in width and length.
80 feet long double lane
80 feet long x 26' wide inside rails highway loading
approx. 80' long x 26' wide inside rails crash tested barriers
Cross Section example 26' wide two modular panels or girder system with transverse panels
70' long double lane bridge
70' long x 26' wide inside rails
two modular panels 70' long x 26' wide with guard rail posts shown but railing not shown for clarity
Cross section of 70' long Cross Section of 70' long bridge x 26' wide
Double Lane bridge shown
also can order single lane bridges
60' long double lane bridge
60' long x 26' wide 60' long x 26' wide inside rails shown
Cross Section of 60' long bridge x 26' wide inside rails
modular in width and length
single lane bridges are also available
50' long x 26' inside rails shown
50' long x 26' wide inside rails
50' long x 26' wide
Cross Section two modular panels 13' wide each
42' long double lane bridge
42' long x 26' wide
42' long x 26' wide inside rails two modular panels for rapid install
42' long x 26' wide
Cross Section 26' - two 13' wide modular panels for rapid install
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