FLOOD06450

• Designation Number: 92
• County: Jefferson
• Community: Arvada
• Stream Name: Ralston, Leyden Creeks
• Basin: South Platte
• Title: Major Drainageway Planning - Ralston/Leyden Creek, Arvada, Jefferson County, CO
• Date: 8/1/1977
• Designation Date: 1/1/1978
• Floodplain - Doc Type: Floodplain Report/Masterplan

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1-3

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LEYDEN CREEK

TABLE 1-2

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1.

A grass-l ined channel from the confluence to the city I imits of
Arvada.

BRIDGES TO BE REPLACED OR IMPROVED
FOR
IMPLEMENTATION OF MASTER PLAN

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2.

A nonstructural (modified) channel from the city limits of Arvada
to State Highway 93. The Croke Canal and the Church Ditch will
be provided with new spill structures.

STREAM

LOCATION

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Ralston Creek

Wes t 56th Avenue
C & S Ra i I road
Ralston Road
Lama r Street
Noland Street
Pierce Street1'
State Highway 121
Wadsworth Boulevard
Carr Street
Garrison Street
Brooks Drive
Rensselaer Drive
61st Avenue
Mi 11er Street
Oak Street
68th Avenue
SitMls Street
Ward Road"
State Highway 93

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Table 1-2 I ists the road crossings on Ralston Creek and Leyden Creek which
will have new structures under this master plan.

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Table 1-3 presents the total construction costs of this master plan,

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Leyden Creek

Simms Street
72nd Avenue'~
Alkire Street
Indiana Street
Quaker Street
Leyden Road
State Highway 93

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" These structures will be improved; remainder of structures will
be replaced.

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