OAR 734-082-0045
Trailer Provisions
(1)
Single trip permits for trailers or semitrailers that exceed 53 feet in length for movement of non-divisible loads, or unladen movement, shall be granted on an individual basis.(2)
Permits issued authorizing semitrailers or trailers to exceed 53 feet in length must be warranted by the size or weight of the non-divisible load and meet one or more of the following criteria:(a)
The use of trailer is necessary to reduce the height of a load; or(b)
The use of the trailer is necessary to support the load, otherwise it would be damaged by allowing it to overhang the trailer, or by sagging due to insufficient support; or(c)
The use of the trailer is necessary to accommodate the weight of the load.(3)
When not operating under the terms of a permit, the unladen semitrailer or trailer must be reduced to no greater than 53 feet in length, and the overall length of the combination cannot exceed the length limit allowed for the highway(s) traveled.(4)
A truck-tractor semitrailer or trailer combination under this rule may only be granted permits for trailers over 53 feet in length for the following types of trailers:(a)
Stretch trailers;(b)
Expanded trailers;(c)
Special use trailers;(d)
Tow-away trailers;(e)
Trailers with flip axle(s) deployed;(f)
Trailers with a flip neck extension deployed; or(g)
Trailers that have additional axle(s) which may be pinned, and are removable.(5)
Requests for permits for semitrailers or trailers in a truck-tractor semitrailer or trailer combination that exceed 53 feet in length, which cannot be classified as a semitrailer or trailer under section (4) of this rule, will not be granted unless the Administrator of CCD determines that the public interest requires the semitrailer or trailer for the impending movement, and the movement can be performed safely.(6)
An unladen truck-tractor and semitrailer or trailer combination under this rule may be granted permits for trailers that exceed 53 feet in length for the following types of trailers:(a)
Special use trailers which cannot be reduced in length; or(b)
Expanded trailers, trailers with flip axle(s) or flip neck extension deployed, pinned (axles), or other components which would require special equipment in order to accommodate reducing the trailer length.(7)
Requests for permits for unladen semitrailers or trailers in a truck-tractor semitrailer or trailer combination that exceed 53 feet in length, which cannot be classified as a trailer under section (6) of this rule, will not be granted unless the Administrator of CCD determines that the public interest requires the semitrailer or trailer for an impending movement, and the movement can be performed safely.(8)
A combination of vehicles which consists of a truck-tractor, semitrailer or trailer as described in section (4), or a fixed trailer, which also includes at least one of the following vehicles may be granted permits for trailers over 53 feet in length:(a)
Jeep axle(s);(b)
Booster axle(s);(c)
Steering axle(s) dollies(9)
An unladen combination of vehicles as described in section (8) may be granted permits for trailers over 53 feet in length. The combination must be reduced to the shortest length practicable.(10)
Requests for permits for trailers or semitrailers exceeding 53 feet in length for movement of a non-divisible load that does not warrant the size of the trailer as described in section (2), may be authorized on a case-by-case basis as a front haul or back haul movement.
Source:
Rule 734-082-0045 — Trailer Provisions, https://secure.sos.state.or.us/oard/view.action?ruleNumber=734-082-0045.