Most modern bridges are steel structure or framework. Limestone, dolomite and marble have been used in many historic buildings attesting to their durability.
Granite is one kind of hard rock.
many have been used, but reinforced concrete is preferred now as properties are more predictable and consistent.
limestone
Most metamorphic rocks are very hard. They are often impermeable. These factors make them useful for building materials which last well.
they are useful because
Best is a subjective term. For ease of working, limestone, dolomite, or marble would be good. For strength and durability, igneous rocks such as granite or basalt would have the desired characteristics.
Nash Bridges - 1996 Rock and a Hard Place 6-1 was released on: USA: 6 October 2000 Germany: 28 January 2002 France: 7 April 2002 Hungary: 10 September 2007
ruby bridges favorite song is deparative.
Marble is used in building's because of how strong it is and that it doesn't break easily.
Most bridges are manmade, built in the location where they are required. Some natural bridges of rock or timber exist in wilderness areas.
Several bridges and buildings are made out of limestone, a very common rock used in architecture. Other rocks used are sandstone, granite, and marble.
No Ruby Bridges was not apart of the Little Rock 9. Even though both wonderful groups helped in Civil Rights Movement, Ruby Bridges did her own thing at another school while the Little Rock 9 did their thing.