Cabrillo Boulevard Bridge Over Mission Creek Replacement

Cabrillo Boulevard Bridge Over Mission Creek Replacement

COASTAL DEVELOPMENT PERMIT HEARINGMay 14, 2014 Agenda Item W 22B

Applicant PresentationApplicant Presentation

Project Location

Existing and New Bridge

Project Improvements

Bridge Design

Construction

Special Conditions

Conclusion

City of Santa Barbara • Public Works Department 2

Reapply For Coastal PermitReapply For Coastal Permit

Project previously approved by Commission in April 2008

Extensions were granted until 2013

Permit expired due to delay in project

Project right of way delay now resolved

Reapplied for essentially the same project

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Project LocationProject Location

Cabrillo Blvd (primary arterial)

Waterfront near downtown State St

Adjacent to Stearns Wharf

Over Mission Creek Estuary

City of Santa Barbara • Public Works Department 4

Existing BridgeExisting Bridge

Constructed 1913, widened in1928, beachway added 1977

Structurally deficient, RC girders

Historical barrier rail downstream

Deteriorated walls/banks

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Existing BridgeExisting Bridge

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New BridgeNew Bridge

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Project ImprovementsProject Improvements

Complete structural replacement

Increased flood capacity and remove part building over creek upstream, coordinated with Lower Mission Creek Flood Control Project

Bank protection/restoration downstream

Reconstruction of creek walls upstream

Increased sidewalk widthsCity of Santa Barbara • Public Works Department 8

New Bridge View from WharfNew Bridge View from Wharf

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Photo zoomed in to show architectural features, not representative of bulk and scale from public viewing locations

Bridge DesignBridge Design

Maintains110 foot width and location

Length increased from 122 to 131 feet

(4) vehicle lanes, turning lane, 9 & 17 foot sidewalks, and 18 foot beachway

Precast concrete bridge deck on piles

Cast-in-place faux sandstone walls

Bioengineered revetment and native riparian plantings

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Bridge DesignBridge Design

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Architectural DetailsArchitectural Details

Barrier rail matches historic architecture while maintaining water views

Mission creek walls with faux sandstone pattern, texture, and color

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Downstream Creek

Restoration Downstream Creek

Restoration

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ConstructionConstruction

Broken into three stages to maintain traffic in both directions and satisfy environmental requirements

Two years starting in fall 2014

Stage 1: Drill center piles, bldg demo

Stage 2: North side bridge, walls, temporary beachway bridge, utilities

Stage 3: South side bridge, creek banks

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Construction Stage 1-Fall 2014Construction Stage 1-Fall 2014

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Construction Stage 2-2015Construction Stage 2-2015

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Construction Stage 3-2016Construction Stage 3-2016

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Special ConditionsSpecial Conditions

Compliance with mitigation measures Air/water quality, biological, traffic, etc.

Permits received from ACOE, RWQCB, CDFW, SHPO, USFWS, NMFS, City HLC, CEQA MND, NEPA CE

Timing of operations – built into stages

Completed tidewater goby and aquatic species management plan

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Special ConditionsSpecial Conditions

Biological surveys and construction monitoring Tidewater goby preconstruction monitoring

has been occurring since 2008

Other nearby projects confirmed method

Protection of water quality – erosion control plans completed

Excavated material – to be disposed in TBD location outside Coastal Zone

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Special ConditionsSpecial Conditions

Habitat Enhancement and Revegetation Monitoring Program Completed, revisions to be discussed with

staff regarding certain plant species

Herbicide use to be avoided or restricted use to HabitatTM (aquatic)

Special Conditions nearly identical to those in 2008 and acceptable to City

City of Santa Barbara • Public Works Department 20

Project Stakeholders/SupportProject Stakeholders/Support

City Public Works, Parks & Recreation, Waterfront , Creeks

County Flood Control, Caltrans, FHWA

Arts & Crafts Show, Wharf Merchants

Nearby hotel, retail, restaurants

Transit District, Tour Buses, Chamber of Commerce Visitor’s Center

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ConclusionConclusion

Staff has found that the development as conditioned will be in conformity with the Coastal Act

We request your approval of the Coastal Development Permit before you today

Thank you

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Sea Level Rise/Wave UprushSea Level Rise/Wave Uprush

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Sea Level Rise/Wave UprushSea Level Rise/Wave Uprush

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Sea Level Rise/Wave UprushSea Level Rise/Wave Uprush

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Sea Level Rise/Wave UprushSea Level Rise/Wave Uprush

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