A general problem occurs at many bridge locations along highways where the required length of need for bridge approach rails cannot be met within the existing right-of-way limits. These conflicts occur when existing driveways, roads, or other objects are within the ROW. It is not unusual to have less than 15 feet length between the end of the bridge and conflict. Solutions to this problem have included using short radius guardrail, a shortened guardrail section, or a crash attenuator. Typically, these solutions are not practical for the site location or are not cost effective.
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