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Roads and Bridges

11 minutes

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Still image from Roads and Bridges

Compares old and new techniques of road building, and shows the process of building a new bridge.

Media Details

Runtime: 11 minutes

Corner street signs, Madison Avenue and East 28th Street. Caption. When we get home, I call my neighbor, Max.
13 minutes 1 seconds
Grade Level: 1 - 5
Man in work clothes balances on a metal beam above sprawling cityscape. Caption. There's only one place to go, up.
America the Story of Us
Season 1 / Ep 7
44 minutes 11 seconds
Grade Level: 9 - 12
Black and white photo of group of men with levers lay railroad track. Caption. He was laying better than a mile of track a day.
29 minutes 15 seconds
Grade Level: 7 - 12
Bearded, turbaned man speaking with another man. Caption. We've been stranded here for awhile.
25 minutes 37 seconds
Grade Level: 5 - 12
Wooden cart with 2 wheels in the back, 1 in the front center, and 1 extending out in front is on display in a museum. Behind it is a wooden bicycle prototype.
Ancient Discoveries
Season 3 / Ep 2
44 minutes 38 seconds
Grade Level: 10 - 12
Automobile factory with an assembly line of cars surrounded by several robotic devices.
24 minutes
Grade Level: 4 - 8
People stand in lines with luggage at airport gates.
22 minutes 39 seconds
Grade Level: 7 - 12
Low shot looking up from underneath a metal bridge. Caption. Many airliners use this for their main spars.
26 minutes 56 seconds
Grade Level: 10 - 12
Man wears a dark green zip-up jacket and glasses. His mouth is open in mid-speech as he looks away from the camera and to the side. He is in a mechanic's shop with commercial truck wheel drums hanging on stands behind him.
Career Connections
Episode 18
4 minutes
Grade Level: 7 - 12
Man wearing a baseball cap and white collared shirt walks towards an open trunk of a truck carrying labeled boxes ready for delivery.
Career Connections
Episode 83
4 minutes 12 seconds
Grade Level: 7 - 12