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a. Unless otherwise allowed by the Development Code and/or approved through the Planning Department, sidewalks shall be provided on both sides of curbed streets for all road classifications.

b. Drain pipe shall be installed under sidewalks as required to connect to all curb weep holes or other storm drain facilities. Surface discharge of roof drains or other drain pipes across sidewalks is not allowed, nor is the sheet flow of parking lot drainage across sidewalks allowed.

c. Handicap access ramps shall be located so as to avoid conflict with storm drain catch basins.

d. Sidewalks shall be constructed of concrete, and shall be a minimum of 4-inches thick except at driveway crossings and pedestrian ramps, which shall be a minimum of 6- inches thick (8-inch thickness required for commercial type driveways). Sidewalks shall meet the minimum widths outlined below. The location of sidewalks within the public right-of-way shall be as approved by the City during the design process.

Minimum Sidewalk Widths

Street Classification

Min. Sidewalk Width from back of curb

Location unless otherwise approved2


6 ft or ODOT standard


Arterial or Collector Street

5 ft

Property Line w/landscape strip1

Downtown Area streets

Per Silverton Downtown Master Plan

Per Silverton Downtown Master Plan

Commercial or Industrial Str.

6 ft


Local Street

5 ft

Property Line w/landscapestrip1

Mid-block Pedestrian Walks. 1

8 ft

As approved by City

Local Street/Hillside

6 ft


1Where required under SDC 3.4.500.C.

2Sidewalk locations, widths and landscape strip widths are shown on figures in SDC 3.4.100.E, which may be modified based on conditions noted under SDC 3.4.100.F.

e. Water meters, utility poles, etc. are not permitted within sidewalks unless authorized in writing by the City Engineer.

f. Where single or clustered mailboxes or other objects are within a sidewalk, the sidewalk shall be widened to provide clearance equal to the required sidewalk width. For retrofit installations where specifically approved by the City Engineer, the sidewalk clear space may be reduced to 48 inches minimum, provided that all other PROWAG requirements are satisfied. All existing mailboxes shall be set on new posts at the time of sidewalk construction.

g. Sidewalks to be constructed in conjunction with a development provided as part of a development may be deferred at the City's option until building construction except for the following situations:

1) Arterial or collector streets (SDC 3.4.500.A).

2) Sidewalks along streets from which vehicular access to the fronting lot is restricted.

3) Sidewalks fronting existing structures.

4) Offsite sidewalks not abutting the property within the development.

5) All required ADA handicap access ramps within or adjacent to public or private streets, as well as sidewalks required for ADA access to CBU mailboxes, including installation of an ADA pedestrian access curb located within 50 feet of the CBU (Oregon Structural Specialty Code 1111.4.1).

6) Mid-block pedestrian walks or multi-use paths provided per SDC 3.4.500.C.

7) If 70% or more of the property frontage is developed with sidewalks along that side of the block (SDC 3.4.500.F.1).

8) Sidewalks along industrial property, unless otherwise approved in writing by the Director (SDC 3.4.500.F.2).

i. In all cases where the construction of a sidewalk is deferred, all grading work required for future construction of the deferred sidewalks shall be completed by the developer at the time of street and utility construction, including weepholes. through the curb for future rain drain pipes.

j. Sidewalk Grades & Vertical Alignment.

1) Except for pedestrian street crossings (see Section 2.16, Intersections & Pedestrian Crossings), the sidewalk grade for pedestrian access routes contained within the public right-of-way shall not exceed the general grade of the adjacent street.

k. Temporary transitions acceptable to the City shall be provided at points where sidewalks terminate, except where otherwise approved by the Director (typically limited to cases where the pedestrian access route does not continue beyond the end of the sidewalk).