columbia county weight restricted bridges and approved route list ...

Columbia County Approved Route List
Log Truck & Stinger steered Pole Trailer Combinations are allowed 65 feet in overall length on all highways. All other combinations
are allowed 60 feet in overall length on all county highways.
• The maximum length of a semitrailer in a truck tractor semitrailer combination is 53 feet.
• The maximum length of a semitrailer in a truck tractor semitrailer trailer combination (doubles) is 40 feet. The distance measured
from the front trailer to the rear trailer cannot exceed 68 feet.
• Note: All Roads may be posted for 20,000 lbs. limit during freeze/thaw conditions.
Truck-Tractor Semitrailer Combinations may operate at a maximum of 75 feet in overall length on the county highways listed below.
Double Trailers Combinations may operate at a maximum of 95 feet in overall length on the county highways listed below.
Truck-& Trailer Combinations may operate at a maximum of 75 feet in overall length on the county highways listed below.
Highway From To
Dike Rd #1047 US30 MP 0.71 (Boat Ramp Rd)
Old Portland Rd #1119 MP2.81 (Gable Rd) MP3.30 (Kaster Rd)
Gable Rd #1063 Old Portland Rd US30
Rockcrest Rd #21205 US30 West Rainier Dike Rd
West Rainier Dike Rd #2120 Rockcrest Rd Longview Bridge Rd (MP0.51)
Banzer Rd #3008 MP0.0 OR47 End of Road (MP 0.51)
Mill St #2088 US30 Dike Rd #2120
* Restricted during school bus hours M-F 7:00 AM-8:30 AM and 2:00 PM-4:00 PM.
Truck-& Trailer Combinations may operate at a maximum of 75 feet in overall length on the county highways listed below.
All Other Combinations are Restricted to 65 Feet Overall Length on the Roads Listed Below
Apiary Rd #2005 OR47 Old Rainier Rd #2097
* Fernhill Rd #2046 Old Rainier Rd #2097 Apiary Rd #2005
Larson Rd #2076 Old Rainier Rd #2097 US30
Old Rainier Rd #2097 Apiary Rd #2005 Larson Rd #2076
Scappoose-Vernonia Rd #1143 US30 OR47
Attachment C05 FORM 734-4005 (7-07) STK# 321608
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