Get documents about "Culvert Condition
Document Sample
Use this worksheet to calculate the condition index for a culvert. The Name of Indicator Entry (xi) In Range?
relative repair or replacement needs for several culverts can be Age of Culvert 0 yes
assessed by comparing the condition indices.
Degree of Scour 0 yes
Enter or update all the values in blue to arrive at a new condition Evidence of Major Failure 0 yes
rating, shown in red. Descriptions of each input can be viewed by Degree of Corrosion 0 yes
moving the mouse cursor to the small red triangles. If a "no" Invert Worn Away 0 yes
appears in the righthand column, check your entry to be sure it is in
the correct range and is an integer (no decimals).
Sedimentation 0 yes
Physical Blockage 0 yes
The condition index is an integer from 1 to 5. An index of 5 indicates Joint Separation 0 yes
a very healthy culvert with little or no repair/replacement needs. A Physical Damage 0 yes
condition index of 1 indicates a culvert that is in poor shape and is a
likely candidate for immediate repair or replacement. ADT Class 1 yes
Detour Length Class 1 yes
Source: Cahoon, J., D. Baker and J. Carson. 2001. Rating system
for rural culvert crossing repair and maintenance. Final report to the
Western Transportation Institute, Montana State University,
Bozeman, Montana.
http://www.coe.montana.edu/wti/Projects/culvert.htm
Condition Index = 5
