Baltimore Harbor Tunnel
TOTAL IMMERSED LENGTH: 1920 m
DEPTH AT BOTTOM OF STRUCTURE: 30 m
HEIGHT: 10.7 m
WIDTH: 21.3 m
FABRICATION METHOD: Shipyard in Baltimore and end-launched from shipways
ENVIRONMENTAL CONDITIONS: Mild currents and tides.
DEPTH AT BOTTOM OF STRUCTURE: 30 m
HEIGHT: 10.7 m
WIDTH: 21.3 m
FABRICATION METHOD: Shipyard in Baltimore and end-launched from shipways
ENVIRONMENTAL CONDITIONS: Mild currents and tides.
Baltimore, Maryland,
United States
Maryland State Roads Commission
Merritt-Chapman & Scott, Inc, C J Langenfelder and Son Inc, Leo Butler and Co, in joint venture
Singstad & Baillie, and J E Greiner Company CONTRACTOR: Merritt-Chapman & Scott, Inc, C J Langenfelder
91.4m
1920m
30m
Project construction
1957-03-31
21
Two tubes, four lanes; two each way
10.7m
21.3m
Shell plate protected with 6.4 cm gunnite coating over exterior 120 degree section of both tubes.
Shipyard in Baltimore and end-launched from shipways
At dock near site
Mild currents and tides.
Two to four floating derricks were used.
Tremie concrete joints
Continuous steel shell plate.
Screeded bedding.