San Diego-Coronado Bridge
Overview
 
The San Diego-Coronado Bridge, locally referred to as the Coronado Bridge, is a "prestressed concrete
Prestressed concrete
Prestressed concrete is a method for overcoming concrete's natural weakness in tension. It can be used to produce beams, floors or bridges with a longer span than is practical with ordinary reinforced concrete...

/steel
Steel
Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten...

" girder bridge
Girder bridge
A girder bridge, in general, is a bridge built of girders placed on bridge abutments and foundation piers. In turn, a bridge deck is built on top of the girders in order to carry traffic. There are several different subtypes of girder bridges:...

, crossing over San Diego Bay
San Diego Bay
San Diego Bay is a natural harbor and deepwater port adjacent to San Diego, California. It is 12 mi/19 km long, 1 mi/1.6 km–3 mi/4.8 km wide...

 in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, linking San Diego with Coronado, California
Coronado, California
Coronado, also known as Coronado Island, is an affluent resort city located in San Diego County, California, 5.2 miles from downtown San Diego. Its population was 24,697 at the 2010 census, up from 24,100 at the 2000 census. U.S. News and World Report lists Coronado as one of the most expensive...

. The bridge is signed as part of State Route 75
California State Route 75
State Route 75 is a short, expressway in the U.S. state of California. It is a loop route of Interstate 5 in the Barrio Logan Community in San Diego and the route ends at Interstate 5 in South San Diego near San Ysidro...

.
The 11,179-foot-long (3,407 m or 2.1 mi) bridge ascends from Coronado at a 4.67 percent grade before curving 80 degrees toward San Diego. The span reaches a maximum height of 200 feet (61m), allowing the U.S. Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 ships which operate out of the nearby Naval Station San Diego
Naval Station San Diego
Naval Base San Diego is the largest base of the United States Navy on the west coast of the United States, in San Diego, California. Naval Base San Diego is the principal homeport of the Pacific Fleet, consisting of 54 ships and over 120 tenant commands. The base is composed of 13 piers stretched...

 to pass underneath it.
 
x
OK