The following summary and recommendation is from a study prepared by Creighton, Hamburg, Incorporated for the New York State Department of Transportation in December 1971. The full contents of this study can be found at the Arthur Kunz Memorial Library, Suffolk County Planning Department in Hauppauge, New York.

OVER-WATER LENGTH

  1. Sands Point-New Rochelle Bridge: 3.3 miles
  2. Glen Cove-Rye Bridge: 4.6 miles
  3. Oyster Bay-Rye Bridge: 6.1 miles
  4. Port Jefferson-Bridgeport Bridge: 14.6 miles
  5. Shoreham-New Haven Bridge: 19.3 miles
  6. Riverhead-Guilford Bridge: 19.2 miles
  7. East Marion-Old Saybrook Bridge: 9.8 miles
  8. Orient Point-Watch Hill Bridge: 24.6 miles

ESTIMATED CONSTRUCTION COSTS
  1. Sands Point-New Rochelle Bridge: $132.3 million
  2. Glen Cove-Rye Bridge: $149.5 million
  3. Oyster Bay-Rye Bridge: $167.9 million
  4. Port Jefferson-Bridgeport Bridge: $368.3 million
  5. Shoreham-New Haven Bridge: $564.7 million
  6. Riverhead-Guilford Bridge: $494.5 million
  7. East Marion-Old Saybrook Bridge: $335.8 million
  8. Orient Point-Watch Hill Bridge: $634.8 million

1975 ANNUAL AVERAGE DAILY TRAFFIC (base tolls in parentheses)
  1. Sands Point-New Rochelle Bridge: 45,800 vehicles (base toll = $0.75)
  2. Glen Cove-Rye Bridge: 40,800 vehicles (base toll = $1.00)
  3. Oyster Bay-Rye Bridge: 33,700 vehicles (base toll = $1.00)
  4. Port Jefferson-Bridgeport Bridge: 10,600 vehicles (base toll = $2.00)
  5. Shoreham-New Haven Bridge: 9,000 vehicles (base toll = $3.00)
  6. Riverhead-Guilford Bridge: 7,900 vehicles (base toll = $3.00)
  7. East Marion-Old Saybrook Bridge: 13,000 vehicles (base toll = $3.00)
  8. Orient Point-Watch Hill Bridge: 6,800 vehicles (base toll = $3.75)

1975 ANNUAL AVERAGE DAILY TRAFFIC (optimum tolls in parentheses)
  1. Sands Point-New Rochelle Bridge: 34,200 vehicles (optimum toll = $1.50)
  2. Glen Cove-Rye Bridge: 31,200 vehicles (optimum toll = $1.75)
  3. Oyster Bay-Rye Bridge: 27,100 vehicles (optimum toll = $1.75)
  4. Port Jefferson-Bridgeport Bridge: 8,500 vehicles (optimum toll = $2.75)
  5. Shoreham-New Haven Bridge: 9,000 vehicles (optimum toll = $2.75)
  6. Riverhead-Guilford Bridge: 7,900 vehicles (optimum toll = $3.25)
  7. East Marion-Old Saybrook Bridge: 7,400 vehicles (optimum toll = $3.75)
  8. Orient Point-Watch Hill Bridge: 6,800 vehicles (optimum toll = $4.00)
    9.

2000 ANNUAL AVERAGE DAILY TRAFFIC

  1. Sands Point-New Rochelle Bridge: 85,200 vehicles
  2. Glen Cove-Rye Bridge: 76,400 vehicles
  3. Oyster Bay-Rye Bridge: 65,500 vehicles
  4. Port Jefferson-Bridgeport Bridge: 20,000 vehicles
  5. Shoreham-New Haven Bridge: 12,800 vehicles
  6. Riverhead-Guilford Bridge: 14,500 vehicles
  7. East Marion-Old Saybrook Bridge: 23,000 vehicles
  8. Orient Point-Watch Hill Bridge: 13,000 vehicles
    9.

FINANCING REQUIREMENTS

  1. Sands Point-New Rochelle Bridge: $171.6 million (at 5 percent); $178.3 million (at 6 percent); $185.5 million (at 7 percent)
  2. Glen Cove-Rye Bridge: $193.9 million (at 5 percent); $201.5 million (at 6 percent); $209,6 million (at 7 percent)
  3. Oyster Bay-Rye Bridge: $217.8 million (at 5 percent); $226.3 million (at 6 percent); $235.4 million (at 7 percent)
  4. Port Jefferson-Bridgeport Bridge: $494.4 million (at 5 percent); $516.4 million (at 6 percent); $539.5 million (at 7 percent)
  5. Shoreham-New Haven Bridge: $758.0 million (at 5 percent); $791.8 million (at 6 percent); $827.2 million (at 7 percent)
  6. Riverhead-Guilford Bridge: $663.8 million (at 5 percent); $693.4 million (at 6 percent); $724.4 million (at 7 percent)
  7. East Marion-Old Saybrook Bridge: $450.8 million (at 5 percent); $470.8 million (at 6 percent); $491.9 million (at 7 percent)
  8. Orient Point-Watch Hill Bridge: $852.1 million (at 5 percent); $890.0 million (at 6 percent); $929.9 million (at 7 percent)

ORDER-OF-MAGNITUDE APPROACH ROAD COST ESTIMATES FOR PROPOSED CROSSINGS OF LONG ISLAND SOUND
  1. Sands Point-New Rochelle Bridge: $95 million [SOUTHERN CONNECTION: New north-south expressway approach: Western Nassau Expressway (NY 101); NORTHERN CONNECTION: New east-west expressway approach in New Rochelle area]
  1. Glen Cove-Rye Bridge: $85 million [SOUTHERN CONNECTION: New north-south expressway in Glen Cove area (perhaps via new NY 107 Expressway?); NORTHERN CONNECTION: Cross Westchester Expressway (I-287)]
  1. Oyster Bay-Rye Bridge: $70 million [SOUTHERN CONNECTION: Seaford-Oyster Bay Expressway extension (NY 135); NORTHERN CONNECTION: Cross Westchester Expressway (I-287)]
  1. Port Jefferson-Bridgeport Bridge: $40 million [SOUTHERN CONNECTION: New north-south expressway approach: A.O. Smith Turnpike (Suffolk CR 110); NORTHERN CONNECTION: CT 8 / CT 25 Expressway]
  1. Shoreham-New Haven Bridge: $5 million [SOUTHERN CONNECTION: William Floyd Parkway (Suffolk CR 46); NORTHERN CONNECTION: I-91]
  1. Riverhead-Guilford Bridge: $15 million [SOUTHERN CONNECTION: Long Island Expressway extension (I-495); NORTHERN CONNECTION: Connecticut Turnpike (I-95), near EXIT 59]
  1. East Marion-Old Saybrook Bridge: $55 million [SOUTHERN CONNECTION: Long Island Expressway extension (I-495); NORTHERN CONNECTION: CT 9 Expressway]
  1. Orient Point-Watch Hill Bridge: $120 million [SOUTHERN CONNECTION: Long Island Expressway extension (I-495); NORTHERN CONNECTION: I-95 (in Rhode Island, near EXIT 1)]

ORDER-OF-MAGNITUDE APPROACH ROAD COST ESTIMATES FOR PROPOSED
BRIDGE RELIEF: 1975 REDUCTIONS IN ANNUAL AVERAGE DAILY TRAFFIC ON THE BRONX-WHITESTONE AND THROGS NECK BRIDGES
  1. Sands Point-New Rochelle Bridge: 30,500 vehicles
  2. Glen Cove-Rye Bridge: 27,000 vehicles
  3. Oyster Bay-Rye Bridge: 22,300 vehicles
  4. Port Jefferson-Bridgeport Bridge: N/A
  5. Shoreham-New Haven Bridge: N/A
  6. Riverhead-Guilford Bridge: N/A
  7. East Marion-Old Saybrook Bridge: N/A
  8. Orient Point-Watch Hill Bridge: N/A

EXPRESSWAY RELIEF: 1975 REDUCTIONS IN DAILY VEHICLE-MILES TRAVELED (VMT) ON ELEVEN EXPRESSWAY CORRIDORS
  1. Sands Point-New Rochelle Bridge: 333,000 VMT
  2. Glen Cove-Rye Bridge: 570,000 VMT
  3. Oyster Bay-Rye Bridge: 530,000 VMT
  4. Port Jefferson-Bridgeport Bridge: N/A
  5. Shoreham-New Haven Bridge: N/A
  6. Riverhead-Guilford Bridge: N/A
  7. East Marion-Old Saybrook Bridge: 250,000 VMT
  8. Orient Point-Watch Hill Bridge: N/A

ECONOMIC GROWTH: ADDITIONAL JOBS IN 1980
  1. Sands Point-New Rochelle Bridge: 22,000 jobs
  2. Glen Cove-Rye Bridge: 22,000 jobs
  3. Oyster Bay-Rye Bridge: 22,000 jobs
  4. Port Jefferson-Bridgeport Bridge: 6,300 jobs
  5. Shoreham-New Haven Bridge: 6,300 jobs
  6. Riverhead-Guilford Bridge: 6,300 jobs
  7. East Marion-Old Saybrook Bridge: 5,700 jobs
  8. Orient Point-Watch Hill Bridge: 5,700 jobs

NATURAL ENVIRONMENT: AMOUNT OF ACRES AFFECTED
  1. Sands Point-New Rochelle Bridge: 120.8 total acres (0.5 acre of marshes; 1.4 acres of inland waters; 118.9 acres of shoreline)
  2. Glen Cove-Rye Bridge: 8.3 total acres (0.9 acres of marshes; 4.6 acres of inland waters; 2.8 acres of shoreline)
  3. Oyster Bay-Rye Bridge: 53.5 total acres (4.4 acres of marshes; 19.3 acres of inland waters; 29.8 acres of shoreline)
  4. Port Jefferson-Bridgeport Bridge: 15.4 total acres (11.0 acres of marshes; 2.3 acres of inland waters; 2.1 acres of shoreline)
  5. Shoreham-New Haven Bridge: 25.9 total acres (19.7 acres of marshes; 4.4 acres of inland waters; 1.8 acres of shoreline)
  6. Riverhead-Guilford Bridge: 53.7 total acres (45.9 acres of marshes; 6.0 acres of inland waters; 1.8 acres of shoreline)
  7. East Marion-Old Saybrook Bridge: 53.5 total acres (42.7 acres of marshes; 9.0 acres of inland waters; 1.8 acres of shoreline)
  8. Orient Point-Watch Hill Bridge: 147.6 total acres (39.9 acres of marshes; 39.7 acres of inland waters; 68.0 acres of shoreline)

  • All of the eight alternative bridge locations would have minor impact on finfish, shellfish and birds. This assumes that all alignments being built inland using adequate construction techniques to prevent displacement of soft-bottom materials outward onto shellfish beds offshore, and to avoid sediment from construction entering offshore waters.

UNCORRECTED NOISE: NUMBER OF PEOPLE "CONSIDERABLY AFFECTED"
  1. Sands Point-New Rochelle Bridge: 50 people daytime; 1,750 people nighttime
  2. Glen Cove-Rye Bridge: 2,300 people daytime; 1,450 people nighttime
  3. Oyster Bay-Rye Bridge: 3,000 people daytime; 2,450 people nighttime
  4. Port Jefferson-Bridgeport Bridge: 150 people daytime; no effect nighttime
  5. Shoreham-New Haven Bridge: no effect daytime or nighttime
  6. Riverhead-Guilford Bridge: 400 people daytime; no effect nighttime
  7. East Marion-Old Saybrook Bridge: 400 people daytime; 400 people nighttime
  8. Orient Point-Watch Hill Bridge: 450 people daytime; no effect nighttime

AIR POLLUTION: NUMBER OF PEOPLE "CONSIDERABLY AFFECTED"
  1. Sands Point-New Rochelle Bridge: 1,540 people
  2. Glen Cove-Rye Bridge: 776 people
  3. Oyster Bay-Rye Bridge: 710 people
  4. Port Jefferson-Bridgeport Bridge: 43 people
  5. Shoreham-New Haven Bridge: no effect
  6. Riverhead-Guilford Bridge: no effect
  7. East Marion-Old Saybrook Bridge: 45 people
  8. Orient Point-Watch Hill Bridge: no effect

TAKINGS OF STRUCTURES: NUMBER OF STRUCTURES AFFECTED
  1. Sands Point-New Rochelle Bridge: 370 structures
  2. Glen Cove-Rye Bridge: 215 structures
  3. Oyster Bay-Rye Bridge: 150 structures
  4. Port Jefferson-Bridgeport Bridge: 265 structures
  5. Shoreham-New Haven Bridge: 75 structures
  6. Riverhead-Guilford Bridge: 40 structures
  7. East Marion-Old Saybrook Bridge: 60 structures
  8. Orient Point-Watch Hill Bridge: 90 structures

EFFECT OF TAKINGS OF OPEN SPACE AND RECREATIONAL FACILITIES
  1. Sands Point-New Rochelle Bridge: SEVERE
  2. Glen Cove-Rye Bridge: MODERATE
  3. Oyster Bay-Rye Bridge: MODERATE
  4. Port Jefferson-Bridgeport Bridge: SLIGHT TO MODERATE
  5. Shoreham-New Haven Bridge: MODERATE
  6. Riverhead-Guilford Bridge: SLIGHT TO MODERATE
  7. East Marion-Old Saybrook Bridge: MODERATE TO SEVERE
  8. Orient Point-Watch Hill Bridge: SEVERE

IMPACT ON SERVICE AREAS
  1. Sands Point-New Rochelle Bridge: MODERATE TO SEVERE
  2. Glen Cove-Rye Bridge: SLIGHT TO MODERATE
  3. Oyster Bay-Rye Bridge: SLIGHT
  4. Port Jefferson-Bridgeport Bridge: SLIGHT
  5. Shoreham-New Haven Bridge: SLIGHT
  6. Riverhead-Guilford Bridge: SLIGHT
  7. East Marion-Old Saybrook Bridge: SLIGHT TO MODERATE
  8. Orient Point-Watch Hill Bridge: MODERATE

SEVERANCE OF NEIGHBORHOODS
  1. Sands Point-New Rochelle Bridge: SEVERE
  2. Glen Cove-Rye Bridge: SLIGHT TO MODERATE
  3. Oyster Bay-Rye Bridge: MODERATE
  4. Port Jefferson-Bridgeport Bridge: SLIGHT
  5. Shoreham-New Haven Bridge: SLIGHT TO MODERATE
  6. Riverhead-Guilford Bridge: SLIGHT
  7. East Marion-Old Saybrook Bridge: SLIGHT TO MODERATE
  8. Orient Point-Watch Hill Bridge: MODERATE

DISRUPTION OF STREET PATTERNS
  1. Sands Point-New Rochelle Bridge: MODERATE
  2. Glen Cove-Rye Bridge: SLIGHT TO MODERATE
  3. Oyster Bay-Rye Bridge: SLIGHT TO MODERATE
  4. Port Jefferson-Bridgeport Bridge: SLIGHT
  5. Shoreham-New Haven Bridge: SLIGHT
  6. Riverhead-Guilford Bridge: SLIGHT TO MODERATE
  7. East Marion-Old Saybrook Bridge: SLIGHT
  8. Orient Point-Watch Hill Bridge: MODERATE
    9.

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