Road Design and Construction Standards

The Washington County Board of Commissioners adopted the Road Design and Construction Standards (Ordinance 738) on February 15, 2011, which becomes effective on March 18, 2011.  The new standards replace the 1998 Uniform Road Improvement Design Standards (Ordinance 524).  The Road Design and Construction Standards establish the technical engineering design and construction requirements for public road and bridge improvements under Washington County's jurisdiction.  They are based on modern design principles as well as practical construction methods, and are intended to:

  • provide a safe and reliable multi-modal transportation system;
  • preserve, protect, and improve the public transportation infrastructure;
  • ensure the long-term viability of the transportation system; and
  • avoid unnecessary and excessive maintenance and replacement costs.

The road standards specify the technical requirements for the design and construction of public roadways.  The Washington County 2020 Transportation Plan, Community Plans and Community Development Code provide guidance in the development of the communities through which the roadways pass.  In concert, all of these regulatory documents are intended to help create 'complete' communities where transportation needs and livability are well-balanced.  Among other revisions, the Road Design and Construction Standards incorporate roadway classification terminology that is consistent with the Transportation Plan and Community Development Code. 

How do I get a Copy?

The electronic files may be downloaded below or a hardcopy of the Road Design and Construction Standards may be purchased by contacting the Washington County Road Engineering Section at (503) 846-7900 or email.

Comments/Suggestions?

Comments and suggestions regarding the Road Design and Construction Standards may be submitted using the Electronic form at the bottom of this page or by fax (503) 846-7910.

Note:  "Private" street standards are addressed in Section 409 of the Community Development Code.


Download Files

 

 

 

Document Downloads

DOCUMENT EFFECTIVE DATE DESCRIPTION
Road Design and Construction Standards
3/18/2011
PDF, 826KB, Ordinance 738 Text with Exhibits excluding Appendices and Details
Errata Document   PDF, 9KB, Updated June 15, 2011
Standard Details 3/18/2011 PDF, 8.8MB
Appendices A - H 11/21/2012 PDF, 3.5MB
     

Standard Details Single Downloads

   

DESCRIPTION

EFFECTIVE DATE

PDF

DWG

1000 DRIVEWAYS 

1010 - Driveway Pavement Section

3/18/2011

1010.pdf 1010.dwg
1020 - Residential Driveway (With Planter Strip)

3/18/2011

1020.pdf

1020.dwg

1030 - Residential Driveway (Curbtight Sidewalk)

3/18/2011

1030.pdf

1030.dwg

1040 - Commercial Driveway (With Planter Strip)

3/18/2011

1040.pdf

1040.dwg

1050 - Commercial Driveway (Curbtight Sidewalk)

3/18/2011

1050.pdf

1050.dwg

1060 - Alternate Driveway (Curbtight Sidewalk)

3/18/2011

1060.pdf

1060.dwg

1070 - Private Road Entrance Off Of Public Roads With Curbs

3/18/2011

1070.pdf

1070.dwg

1080 - Driveway for Uncurbed Roads, Plan and Profile

3/18/2011

1080.pdf

1080.dwg

1081 - Driveway for Uncurbed Roads, Cross-Section and Profiles

3/18/2011

1081.pdf

1081.dwg

1082 - Culvert Tables

3/18/2011

1082.pdf

1082.dwg

1090 - Access Along Unimproved Frontage

3/18/2011

1090.pdf

1090.dwg

2000 CURBS AND SIDEWALKS 

2010 - Emergency Mountable Curb And Gutter

3/18/2011

2010.pdf

2010.dwg

2020 - Vertical Curb Emergency Mountable

3/18/2011

2020.pdf

2020.dwg

2030 - Vertical Curb Non-Mountable

3/18/2011

2030.pdf

2030.dwg

2040 - Curb Type Transition Detail

3/18/2011

2040.pdf

2040.dwg

2050 - Catch Basin Pavement Tapers

3/18/2011

2050.pdf

2050.dwg

2110 - P.C. Concrete Sidewalk Detail

3/18/2011

2110.pdf

2110.dwg

2120 - Typical Sidewalk Obstruction Swing-Away Apron

3/18/2011

2120.pdf

2120.dwg

2130 - Sidewalk Curb Ramp At Curb Return

3/18/2011

2130.pdf

2130.dwg

2140 - A.C. Sidewalk Transition Detail

3/18/2011

2140.pdf

2140.dwg

2150 - Pedestrian Path Or Bikeway

3/18/2011

2150.pdf

2150.dwg

2210 - Standard Cul-De-Sac

3/08/2011

2210.pdf

2210.dwg

2220 - Eyebrow - Corner

3/08/2011

2220.pdf

2220.dwg

2230 - Curb Extension

3/08/2011

2230.pdf

2230.dwg

2300 - Traffic Separator

3/08/2011

2300.pdf

2300.dwg

2310 - Pedestrian Island Crossing

3/08/2011

2310.pdf

2310.dwg

2315 - Raised Median Nose Detail

3/08/2011

2315.pdf

2315.dwg

3000 GENERAL 

3010 - Centerline Survey Monument Detail

3/18/2011

3010.pdf

3010.dwg

3020 - Pipe Bedding And Backfill Details

3/18/2011

3020.pdf

3020.dwg

3030 - Offset Crown

3/18/2011

3030.pdf

3030.dwg

3040 - Utility Location

3/18/2011

3040.pdf

3040.dwg

3050 - Local Road Utility Easement

3/18/2011

3050.pdf

3050.dwg

3060 - Mailbox Installation Plan

3/18/2011

3060.pdf

3060.dwg

3070 - Vehicle Barrier Post

3/18/2011

3070.pdf

3070.dwg

4000 LANDSCAPE 

4010 - Root Barrier Detail

3/18/2011

4010.pdf

4010.dwg

5000 DRAINAGE 

5010 - Subsurface Drain Detail

3/18/2011

5010.pdf

5010.dwg

5020 - Subgrade And Spring Catchment Detail

3/18/2011

5020.pdf

5020.dwg

5030 - Rain Garden

3/18/2011

5030.pdf

5030.dwg

5031 - Rain Garden Details

3/18/2011

5031.pdf

5031.dwg

6000 TRAFFIC 

6010 - Street Barricade Type III, Steel Posts End Of Road

3/18/2011

6010.pdf

6010.dwg

6020 - Street Barricade Type III, Steel Posts Right Of Traffic

3/18/2011

6020.pdf

6020.dwg

6030 - Sidewalk Barricade Type III, Steel Posts

3/18/2011

6030.pdf

6030.dwg

6040 - Tubular Marker

3/18/2011

6040.pdf

6040.dwg

6050 - Sign Post Installation In P.C. Concrete Or Asphalt

3/18/2011

6050.pdf

6050.dwg

6051 - Sign Post Installation, Sidewalk Surface Mount, Square

3/18/2011

6051.pdf

6051.dwg

6060 - Speed Cushion, Road 26' Wide Or Less, Speed Greater Than 25 MPH

3/18/2011

6060.pdf

6060.dwg

6061 - Speed Cushion, Road Width Greater Than 26', Speed Greater Than 25 MPH

3/18/2011

6061.pdf

6061.dwg

6062 - Speed Cushion, Road 26' Wide Or Less, Speed 25 MPH Or Less

3/18/2011

6062.pdf

6062.dwg

6063 - Speed Cushion, Road Width Greater Than 26', Speed 25 MPH Or Less

3/18/2011

6063.pdf

6063.dwg

6110 - Striping Legend

3/18/2011

6110.pdf

6110.dwg

6510 - Permanent Signing Legend

3/18/2011

6510.pdf

6510.dwg

6520 - Future Development Sign

3/18/2011

6520.pdf

6520.dwg

6521 - Private Road Sign

3/18/2011

6521.pdf

6521.dwg

6599 - Bridge Number Sign

3/18/2011

6599.pdf

6599.dwg

6810 - Luminaire Supports

3/18/2011

6810.pdf

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6820 - Luminaire Support Base Plate And Footing

3/18/2011

6820.pdf

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6910 - Traffic Signal Pole And Mast Arm

3/18/2011

6910.pdf

6910.dwg

6920 - Traffic Signal Foundation And Base

3/18/2011

6920.pdf

6920.dwg

 


 




Road Design and Construction Standards
Comments and Suggestions Form