Did You Know These Facts About the Gov. Mario M. Cuomo Bridge?

Like the Tappan Zee Bridge, it, too, is 139 feet above the main navigation channel and owned by the New York State Thruway Authority.

Its spans opening roughly one year apart, the new $4 billion bridge between Westchester and Rockland counties, designed and built by consortium Tappan Zee Constructors, LLC (TZC) sparked our curiosity, and maybe yours, too.

When the project is completed, both spans will have four general traffic lanes, two emergency shoulders on each side of the respective span and a bus lane on the right side. Landing points in Tarrytown and South Nyack will feature parking lots, bicycle repair stations, restrooms and other visitor amenities, and links to local bicycle and pedestrian networks.


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For Motorists and Travelers

Photos courtesy of the New York State Thruway Authority


Toll without E-ZPASS® through 2020


3.1 miles 

Length of each span


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96 feet wide

Length of westbound span 


87 feet wide

Length of eastbound span


45 miles per hour

Speed limit

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Scenic overlooks on the bicycle and pedestrian path to open 2019


3.6 miles

Length of the pedestrian path 


Economic Impact 

The I Lift NY super crane places an immense steel girder assembly on the new bridge’s concrete piers.


$3.9 billion

Total cost of project, including demolition of old bridge



New York State-based businesses awarded project-related contracts
(243 are based in Westchester, 108 are based in Rockland)



Union signatories to the project labor agreement


50+ million

Vehicles, including interstate trucks, traverse annually



People contracted and subcontracted by design-build team Tappan Zee Constructors, LLC (TZC), tallying more than 11.5 million hours

General Construction

Crews pour concrete between galvanized concrete rebar cages to create a base driving surface on the eastbound span.


100 years 

Amount of time before needing maintenance


220 million pounds 

All-American steel


300,000+ cubic yards 

Concrete used for towers, foundations, piers, and platforms



Precast concrete deck panels forming the base roadway



 steel piles (50 miles long end-to-end)

Piers for the Westchester approach span when it was in progress.



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