Home Bridges Bridges-Standard Double Rail Bridges-Standard Double Rail Bridges shown in photos are our 12 foot models and shown for illustration purposes only.Click on the pricing links to see the rail configuration and post quantity for other lengths. Rail heights above walking surface are the same for all bridge lengths:     * Low Rail = 12" (Rails for decoration only)     * High Rail = 20" (Rails to protect a child)     * Double Rail = 35" (Rails an adult can use) All bridges are 35" wide at the walking surface and 42" wide overall. Standard Double Rail 10 Standard Double Rail 10 $1,986.00 SKU: Bridge SDR10 Standard Double Rail 12 Standard Double Rail 12 $2,238.00 SKU: Bridge SDR12 Standard Double Rail 14' Standard Double Rail 14' $2,490.00 SKU: Bridge SDR14 Standard Double Rail 16 Standard Double Rail 16 $2,742.00 SKU: Bridge SDR16 Standard Double Rail 6' Standard Double Rail 6' $1,182.00 SKU: Bridge SDR6 Standard Double Rail 8 Standard Double Rail 8 $1,434.00 SKU: Bridge SDR8