., (6 Tim FISHER ?i ASSOCIATES Irondequoit Bay Outlet Bridge Alternatives Analysis Study January 4, 2018 Introduction • Recap feasibility study process • Discuss evaluation criteria • Discuss alternatives for year-round access • Discuss final scoring • Question and answer session Alternative Evaluation Criteria: established by the steering committee during the meeting on January 26, 2017. • Cost • Property Impacts • Economic Impacts • Environmental Impacts • Emergency Access • Improved Year Round Access • Aesthetic Impacts • Operation and Maintenance Costs • Improved Non-Motorist Access • Impacts on Highway User Costs • Construction Impacts Alternative Evaluation Criteria: ranked in order from highest priority to least priority by steering committee, public meeting participants, online survey. Steering Committee Public Meeting On-Line Survey Average Overall Rank Aesthetic Impacts 7 5 8 6.67 7 Construction Impacts 11 7 11 9.67 11 Economic Impacts 3 9 3 5.00 5 Emergency Access 5 3 2 3.33 2 Environmental Impacts 4 4 4 4.00 3 Impacts on Highway User Costs 10 11 5 8.67 10 Improved Access for Non-Motorized Users 9 10 6 8.33 9 Improved Year Round Access 6 1 1 2.67 1 Operation & Maintenance Costs 8 8 7 7.67 8 Project Costs 1 6 9 5.33 6 Impacts to Properties 2 2 10 4.67 4 Alternatives Analysis Criteria Alternative Evaluation Criteria: Final prioritized ranking is based on all input received. • Improved Year Round Access • Emergency Access • Environmental Impacts • Property Impacts • Economic Impacts • Cost • Aesthetic Impacts • Operation and Maintenance Costs • Improved Non-Motorist Access • Impacts on Highway User Costs • Construction Impacts Development of Alternatives • • • • • • • • • Null Alternative (no change) Rehabilitation of existing bridge for year round operation Fixed Bridge at existing location (Girder) Fixed Bridge at existing location (Truss) Extension of the ramps at Irondequoit Bay Bridge Tunnel at existing location Movable Bridge at existing location (Rolling Lift) Route 104 to Ridge Road connection Ferry Alternatives Eliminated • • • • • • • • • Null Alternative (no change) Rehabilitation of existing bridge for year round operation Fixed bridge at existing location (Girder) Fixed bridge at existing location (Truss) Route 104 to Sea Breeze Drive Connection Tunnel at existing location Moveable bridge at existing location (Rolling Lift) Route 104 to Ridge Road Connection Ferry Alternatives for Further Consideration • • • • • Null Alternative (no change) Rehabilitation of existing bridge for year round operation Route 104 to Sea Breeze Drive Connection Moveable bridge at existing location (Rolling Lift) Route 104 to Ridge Road Connection Null Alternative (no change) • No change from existing conditions • No improvement to year round access or emergency access • Environmental considerations are unchanged Insert MB photos FISHERCB l-D'2 25 ASSOCIATES Retrofit Moveable Bridge at Existing Location • Year round access is provided for all modes of travel • Moderate environmental impacts related to construction activities • Partial acquisition impacts to 5 properties • Potential for improved economic impacts • Increase operation and maintenance costs • Minimal aesthetic changes Insert MB photos • Noise Analysis Considerations • Floodplain Considerations FISHERCB l-D? Pg ASSOCIATES New Moveable Bridge at Existing Location • Year round access is provided for all modes of travel • Moderate environmental impacts related to construction activities • Partial acquisition impacts to 5 properties • Potential for improved economic impacts • Increase operation and maintenance costs • Minimal aesthetic changes Insert MB photos • Noise Analysis Considerations • Floodplain Considerations FISHERCB l-D? Pg ASSOCIATES Moveable Bridge (bridge operation cycle) • • • • • Lower safety gates and signals change to red – 90 seconds Open bridge span – 90 seconds Marine traffic passage (5 mph) – 120 seconds Close bridge span – 90 seconds Open gates and signals to green – 30 seconds • Total opening time approximately 7 minutes 1500 feet 1000 feet 500 feet 0 feet 0 feet 500 feet 1000 feet 1500 feet Moveable Bridge (vehicle queue weekend) Westbound queue 1,200 Insertfeet MB photos Eastbound queue 1,100 feet Vehicle queue clears in approximately 1.5 minutes 1500 feet 1000 feet 500 feet 0 feet 0 feet 500 feet 1000 feet 1500 feet Moveable Bridge (vehicle queue week day) Westbound queue 1,400 Insertfeet MB photos Eastbound queue 1,400 feet Vehicle queue clears in approximately 2 minutes Route 104 to Sea Breeze Drive Connection • Limited to 5% grade • 75 feet of elevation difference • Bridges required for Titus Ave Extension • Property acquisitions • (17 parcels) • Pedestrian and bicyclist accommodations limited through alternative routes or modification to Bay Bridge • Traffic operations • 8600 AADT NB • 3500 AADT NB and SB Ramps • Midblock intersection LOS F to be mitigated 500 Vehicles Per Hour Southbound Ramp 1,200 Vehicles Per Hour Northbound Route 104 to Ridge Road Connection . I. 7'51J19Webster to Irondequoit Route 104 to Ridge Road Connection Irondequoit to Webster Route 104 to Ridge Road Connection Route 104 to Ridge Road Connection • Limited to 5% grade • Bridge replacements required for Route 590 3,200 Vehicles Per Day • Pedestrian and bicyclist accommodations limited • No property acquisitions • Travel Demand Model indicates most access improvements are for access to southern portions of Irondequoit, does not achieve desired connectivity between northern Webster and northern Irondequoit 6,800MB Vehicles Insert photos Per Day Construction Cost Summary Construction Cost Null Alternative Moveable Rehabilitate Existing Bridge Moveable New Rolling Lift Bridge Route 104 to Sea Breeze Drive Connection Route 104 to Ridge Road Connection $0 $16,000,000 $32,900,000 $29,800,000 $21,000,000 Alternative Evaluation Criteria and Scoring: Environmental Impact Impacts to Properties Economic Impacts Project Costs Aesthetics Impacts Operation & Maintenance Costs Improved Access for Non-Motorized Users Impacts on Highway User Costs Construction Impacts Criterion Weighting Factor 1 2 3 4 5 6 7 8 9 10 11 Alt A - Null Alternative 3 3 1 1 2 1 2 1 3 3 1 122 Alt B - Rehabilitate existing swing bridge 1 1 2 2 1 2 2 3 1 1 1 102 Alt C - Ramps 104 to Sea Breeze Drive 2 2 2 3 2 2 3 2 2 2 2 143 Alt D - New moveable -Rolling Lift bridge 1 1 2 2 1 2 2 3 1 1 1 102 Alt E - Ramps 104 to Ridge Road 2 2 2 1 2 2 2 2 2 2 3 139 Weighted Sum Score Emergency Access Criterion Improved Year Round Access Alternatives