culverts

So for my money we should use it in culverts, but not to replace paving.

Grasscrete® 2007

The outside rings are made of precast concrete, similar to those usually seen in culverts. - via [...]

Modular bookshelves and room dividers by Permafrost and Katharina Styren 2009

The outside rings are made of precast concrete, similar to those usually seen in culverts.

Modular bookshelves and room dividers by Permafrost and Katharina Styren 2009

Sometimes a beck is conducted under the canal, and passages called culverts serve as a roadway for men and beasts.

The Life of Thomas Telford Smiles, Samuel, 1812-1904 1867

The road had been resurfaced recently, but at no point in its history had the mechanisms known as "culverts" ever been employed.

Jemez Walter Jon Williams 2007

The road had been resurfaced recently, but at no point in its history had the mechanisms known as "culverts" ever been employed.

Archive 2007-10-01 Walter Jon Williams 2007

In a partially lined drain, special protection is needed at the most vulnerable points, such as culverts, drain junctions, sharp bends, and steep sections.

2. Drainage options 1991

They feed main-line canals over seven thousand miles in total length, and involve minor constructions, such as culverts and bridges, tens of thousands in number.

XI. The Natural Resources of the Nation 1913

They feed main-line canals over seven thousand miles in total length, and involve minor constructions, such as culverts and bridges, tens of thousands in number.

An Autobiography Roosevelt, Theodore 1913

They feed main-line canals over seven thousand miles in total length, and involve minor constructions, such as culverts and bridges, tens of thousands in number.

Theodore Roosevelt; an Autobiography Theodore Roosevelt 1888