Steel arch bridge on Highway 154, bypassing the old stagecoach route between Santa Barbara and Santa Ynez, California.

Coburn covered bridge in Washington county, Vermont, USA was built in 1851 by Larned Coburn and given to the town in exchange for having the town road pass by his house. Three steel beams added 1972-1973

ponte dell? ostiense bridge in the garbatella district of rome italy.

tv aerial by ponte dell? ostiense bridge in the garbatella district of rome italy.

Piledriver on bridge falsework. I-880 Cypress project. Oakland, California. USA.

Piledriver on bridge falsework at I-880 Cypress Project. Oakland, California. USA.

Erecting falsework for freeway bridge. I-880 Cypress Project. Oakland, California. USA.

Swietokrzyski bridge illuminated at night with advertising balloon in sky, Warsaw, Poland, Central Europe.

Fuente del Jarro Industrial park. Paterna, Valencia, Spain

2 asian girls together on beach laughing

3 asian women sitting together on beach listening to music

3 asian women laying together on beach

Man making steel beams

Antique Illustration (steel engraving) showing the construction of iron bridges., 1857.

A team of builders at work

Three men crossing a bridge over a river

Outline of three men holding hands and walking together

An illustration of skilled workers

Architecture - Germany - line art Detail Romanesque Romanesque Corbels. Late Period. Church at Gelnhausen. A corbel is a bracket or beam that is laid deeply into the wall to provide support and usually projects beyond the wall. A row of corbels is known

Architecture - Hungary - line art Detail Romanesque Corbel Table from Jerichow. A corbel is a bracket or beam that is laid deeply into the wall to provide support and usually projects beyond the wall. A row of corbels is known as a corbel table. This me

An illustration of various business operations

Industry & Technology -line art (w4) Iron and steel making A late 18th century forge Illustration

Modern architecture

Builder

Steel Worker

steel beam bridge support