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Asphalt Trail Rating System <br />Condition Rating Visible Distress <br />General Condition/ <br />Maintenance Measures <br />10 <br />Excellent <br />9 <br />Excellent <br />8 <br />Very Good <br />7 <br />Good <br />6 <br />Good <br />5 <br />Fair <br />4 <br />Fair <br />3 <br />Poor <br />2 <br />Very Poor <br />1 <br />Failed <br />Supplement distress review with the Asphalt PASER Manual, produced by the University of Wisconsin-Madison Transportation Information Center. <br />New Construction. Fog seal within 2- years of <br />construction. <br />Severe surface raveling. Longitudinal and transverse cracks (open more than <br />1/2") with secondary cracks fully developed. Longitudinal cracks developed along <br />trail edge. Patches and trail edges in fair condition. Tree root or rodent <br />damaged (heaves or sunken) areas spaced between 50'-100'. <br />Severe surface loss with closely spaced longitudinal and transverse cracks that <br />have developed into second and third cracks. Patches and trail edges in fair to <br />poor condition. Tree root, rodent damage and other pothole areas spaced less <br />than 50'. <br />Severe surface loss with closely spaced longitudinal and transverse cracks that <br />have developed into full alligatoring. Patches and trail edges in poor condition. <br />Tree root, rodent damage and other pothole areas spaced less than 50'. <br />Severe distress with extensive loss of surface integrity <br />Failed. Redesign and reconstruction of trail <br />including aggregate base, areas of subgrade <br />correction and drainage improvements. <br />Nearly unusable. Redesign and reconstruction <br />of trail including aggregate base, areas of <br />subgrade correction and drainage <br />improvements. <br />Candidate for a Full Depth Reclamation (FDR) <br />with new pavement. Consider root treatment <br />as part of the reconditioning effort. <br />Very aged with structural edge degradation. <br />Recondition with patching of worst areas and <br />bituminous overlay of full section. Consider <br />root treatment in isolated areas. <br />None <br />None <br />No longitudinal cracks. Occasional transverse crack, widely spaced (40' or <br />greater). All cracks sealed or tight (open less than 1/4"). <br />Very slight or no raveling, surface shows few signs of wear. Longitudinal and <br />transverse cracks (open 1/4") spaced 10' or more apart, little or slight crack <br />raveling. Few patches and trail edges in excellent condition. Tree root or rodent <br />damaged (heaves or sunken) areas spaced 500' or more. <br />Slight raveling (loss of fines), surface showing signs of wear or degradation. <br />Longitudinal and transverse cracks (open 1/4"- 1/2") spaced 10' or less apart with <br />some block cracking developing. Patches and trail edges in good condition. Tree <br />root or rodent damaged (heaves or sunken) areas spaced between 200'-500'. <br />Moderate raveling (loss of fines and course aggregate). Longitudinal and <br />transverse cracks (open more than 1/2") with secondary cracks now developing. <br />Signs of longitudinal cracking developing along trail edge. Patches and trail edges <br />in fair condition. Tree root or rodent damaged (heaves or sunken) areas spaced <br />between 100'-200'. <br />Surface aging and edge degradation. <br />Recondition most cracks and edge deformation <br />with velocity patching. Potential candidate <br />for a micro seal or bituminous overlay after <br />patching. <br />Shows signs of aging. Sound structural <br />condition. Cracks treated with a combination <br />of standard filling and velocity patching. <br />Surface condition should be extended with <br />micro seal. <br />Shows limited signs of aging. Maintain with <br />standard crack filling (routed and rubber filled). <br />First signs of aging. Recent fog or micro seal. <br />Little or no maintenance required. <br />Recent overlay, like new. Fog seal within 2- <br />years of last overlay.