Public Meeting

Neil Schochenmaier, PE

Road Design Engineering Supervisor

June 7, 2018

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S.D. Highway 20

Structures Replacement

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West Two Bridge Locations

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S.D. Highway 20 over the Little Missouri River and

Valley Creek

East Bridge Location

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S.D. Highway 20 over Sioux Creek 8 mi. west of Reva

Why Are We

Here

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Why

Are

WEHere

Purpose…

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� Involve You, the public

Planning and Design

� Provide Project Overview

� Gather Input and Comments

Project

Background

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We

st B

rid

ge

Tim

eli

ne

Bri

dg

es

ne

ar

Ca

mp

Cro

ok

Built

1951

Repaired

2006

Replace

2021

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Ea

st B

rid

ge

Tim

eli

ne

Bri

dg

e W

est

of

Re

va

Built

1959

Repaired

2001

Replace

2021

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9

0 Crashes

Bri

dg

es

ne

ar

Ca

mp

Cro

ok

*Statewide Crash Rate Rural

Minor Arterial = 1.81

Bri

dg

e W

est

of

Re

va

CRASH HISTORY 2013-2017

0 Crashes

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Bri

dg

es

ne

ar

Ca

mp

Cro

ok

10

Bri

dg

e W

est

of

Re

va

TRAFFIC

2017 ADT = 122

2042 Projected = 149

13.6% Trucks

2017 ADT = 173

2042 Projected = 212

26.6% Trucks

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What’s the

Plan

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What’s

The

Plan

The Plan is...

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� New Bridge over Little Missouri

River

New alignment

� New Bridge over Valley Creek

� New Box Culvert over Sioux

Creek

The Plan is...

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� Purchase Right-of-WayNew alignment

� Utilities CoordinationMontana-Dakota Utilities Co.

Grand Electric Cooperative, Inc.

West River Cooperative Telephone Co.

Construct New Bridge

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Right of Way

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� Existing corridor – 150 feet

� Purchase Right-of-Way• Permanent 150 foot corridor for

new alignment

• Temporary Easements

See

Handout

See

Handout

Encroachments

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See

Handout

See

Handout

� Social

� Economic

� Public Involvement

� Environment

National Environmental

Policy Act (1969)

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See

Handout

� Section 4(f)

� Section 106

� Wetlands

� Threatened/Endangered

� Contaminated Material

Environment

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See

Handout

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Construction Traffic Control

SD Hwy 20 Remains Open

New Alignment

Diversion

Temporary Signals

What’s the

Plan

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Remaining

Schedule

Project Schedule

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20

18 June

Public Meeting

SummerPreliminary Design

FallLandowner Meetings

20

19

-20

20 Summer

2019ROW Acquisition

2020Final Design

20

21

Construction

Landowner

Meetings

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� Individual

Meetings

� Impacts to

Property

See

Handout

See

Handout

Estimated Cost

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$7.282 Million

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Questions or Comments

June 21, 2018Neil SchochenmaierSouth Dakota Department of TransportationOffice of Road Design700 East Broadway AvenuePierre, South Dakota 57501neil.schochenmaier@state.sd.us

Public Meeting Information available at:http://sddot.com/dot/publicmeetings/default.aspx