MDOT- Michigan Department of TransportationChallenges for TodayPartnerships for Tomorrow

I-96/US-23 Interchange

Located in: Brighton Township Livingston County

I-96/US-23 Interchange HistoryOriginal Construction early 1960’sConcept was visualized using cardboard models-

I-96/US-23 design today3D modeling utilizing computer design software-

ADD 3D Model I-96/US-23 Interchange

Traffic then- Traffic now

Ramp J (EB I-96 to SB US-23) DHV anticipated in 1960’s 420 vph

Today’s peak hour volume 1375 vph 20 Projected volume 1700 vph

I-96/US-23 Interchange - Existing

I-96/US-23 Interchange - Project

I-96/US-23 Customer Impact

Downtown Brighton Area

Lee Road Mall Residential

Communities Commercial Areas Rush hour through

traffic

Downtown Brighton

Area

Lee Road Mall

Residential Communities

I-96/US-23 Project Challenges

Old US-23 (accommodations)Existing two lane road with 8’ shoulders

Future Opening on Old US-23Accommodations for a five lane section with room for pedestrian walkways

I-96/US-23 Context Sensitive SolutionsStakeholder engagement resulted in the selection of the bridge aesthetics-

I-96/US-23 How are we going to build it?Four major Stages

Prestage Summer 2014Stage 1 2014- Spring 2015Stage 2 May- July 2015Stage 3 Aug- Nov 2015

Pre-StageSpencer Bridge, Temp paving & Spencer Ramp workThree lanes of traffic maintained during peak hours.

Stage 1Three lanes of traffic maintained on existing I-96 during construction of new mainline roadway in the middle.

Stage 2Part width construction of existing roadway two lanes maintained on new mainline one lane maintained on existing roadways.

Stage 3Part width construction of existing roadway two lanes maintained on new mainline one lane maintained on existing roadways.

Detours

2014Spencer Road (Closure)

~45 days this summer2014 & 2015

US-23 SB (Spencer Road)US-23 NB (Kensington Road)

Nightly for Bridge Beams

Spencer Rd Local DetourSpencer through movement closed- detour via Old US-23

EB I-96 On-Ramp Detour

EB I-96 On-Ramp Detour

Detours using Spencer RdSB US-23 night closures for beam placementFreeway to freeway ramp reconstructions

Spencer Rd at I-96 Interchange during Detours

Detours using Kensington RdSB US-23 night closures for beam placementFreeway to freeway ramp reconstructions

What happens next?

Finish the design early 2014 Demolition Work spring 2014 Utility Relocations spring 2014 Begin construction summer 2014 Fully open to traffic fall 2015 Cleanup & Planting spring of 2016

I-96 / US-23 Needs & Concerns Acres of clearing: 24.8 (approximately 7,000 trees)

Replanting Trees: (Deciduous, Shrubs and Conifer) Deciduous 1,930 $97,175 Shrubs 800 $12,200 Conifer 7,000 $49,000 Water/Cultivating $50,000 Site Preparation $100,225

○ Subtotal $308,600

Restoration Areas: Short-Grass Understory Seeding $248,000 Detention Seeding $ 66,815 Standard Freeway Restoration $261,000

○ Subtotal $575,815

Total Landscaping/Restoration Estimate $884,415

How much will this cost?

Estimated Bid $53 million Construction Eng $ 5 million Design $ 5 million Real Estate $ 3 million Total Project Estimate $66 million

I-96/US-23 InterchangeAerial 5 – 10 Year Growth

I-96 / US-23 – Project Information

Design: Road MDOT, University Region Design

Bridge ○ New Mainline/Spencer Road: MDOT, Bridge Design○ Existing Bridge Redesign: Alfred Benesch & Co., and URS

Context Sensitive Solutions (CSS): Parsons Transportation Group

Construction Team: Brighton TSC Field Staff

Letting Date: June 2014

Construction: 2014 / 2015

QUESTIONS