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Chesapeake Bay Bridge and Tunnel - HRTPO
Transcript of Chesapeake Bay Bridge and Tunnel - HRTPO
17.6 miles
(28 km)
Atlantic
Ocean
Chesapeake Bay
Bridge-Tunnel
Norfolk
Newport
News
Virginia Beach
Project Location
Chesapeake
Bay
Chesapeake Channel Tunnel
Thimble Shoal Channel Tunnel
Parallel Crossing – Phase II
• Existing Immersed Tube Tunnel (ITT)
• Bi-Directional Traffic
• Travel delays due to congestion, permit loads (oversized) and maintenance needs
• New tunnel will provide 2-lanes southbound
• Existing tunnel to be 2-lanes northbound
Existing Thimble Shoal Tunnel
Parallel Thimble Shoal Tunnel
Project Overview
One Island Two IslandNavigation
Channel
+30
-134
6,350-ft Tunnel Bore
Roadway
6,525-ft Portal-to-Portal
Project-at-a-Glance
• D-B contract value: $756m
• Length of Tunnel: 6,525-ft Portal-to-Portal
• Diameter of Tunnel: 43-ft Outside Diameter
• Tunnel Boring Machine: Herrenknecht EPB machine
• Segment Ring: 9+1 universal ring
• Roadway Depth: 134-ft below MLLW
• Contractor: Chesapeake Tunnel JV
(Dragados USA and
Schiavone Construction Co.)
• Engineer of Record: Mott MacDonald
• Owner’s Engineer: Jacobs
• Construction Manager: HNTB
Parallel Chesapeake Tunnel Project
Proposed Parallel Chesapeake Tunnel
Existing Chesapeake Tunnel
Three Island Four Island
Parallel Chesapeake
Tunnel Project
• Preliminary Planning
• NEPA
• Geotechnical Investigation
• Technical Requirements
• Financing Plan
• Construction (2024 – 2029)