Hampton Roads Bridge Tunnel Expansion Project Procurement Update to Commonwealth Transportation Board Feb 19, 2019
http://www.ctb.virginia.gov/resources/2019/feb/pres/1_hrbt.pdfExcerpts:
Scope of HRBT Expansion Project
-- Settlers Landing in Hampton to I-564 Norfolk (10 Miles)
-- I-64 improvements include 6 lanes of highway + drivable shoulder and construction of 4 lane bridge/tunnel
-- New HRBT tunnels will serve Eastbound traffic
-- Existing HRBT tunnels will serve Westbound traffic
-- Design-Build Contract Value: $3.3B
-- VDOT will pay for South Island Trestle Bridge Replacement Work (180 days option to identify funding sources)
-- Execute Comprehensive Agreement NLT (no later than): Apr 15, 2019
-- Contractor LNTP (Limited Notice to Proceed): Apr 2019
-- Project Complete: Nov 2025
. . . . . . . .
I talked to the Chief Engineer and asked for some design details.
HRBT will be 8 lanes on 4 separate 2-lane roadways/tubes.
New tunnels will be bored with TBM.
HRBT existing marine bridges will be replaced.
Willoughby Bay bridges will be widened to 8 lanes.
The "driveable shoulder" will be a 12-foot left lane of full-depth pavement.
Two general purpose lanes each way between Mallory Street and I-564.
Two HOT lanes each way between Mallory Street and I-564, seamlessly connecting with 2-lane reversible roadway.
No major rehab of existing tunnels. No addressing of increase of vertical clearance in westbound tube. (*)
No major upgrade of I-564 interchange. (*)
Mallory Street to I-664 widening will be a future project not yet studied.
(*) At least not in this particular project.