Concrete culverts are currently being installed inside the North East Link tunnels to create a maintenance tunnel to service ...

Discover how small concrete box culverts enhance urban infrastructure by improving water management, transportation, ...

A culvert is a tunnel or a pipe that allows water to flow under a roadway. The culvert installed under Emerson Road is an old sandstone structure that's shaped like a box, and water from a ...

Approximately 1.6 km of 2.4-m-high wildlife fencing was added to each of 2 existing underpasses, a large bridge underpass and a large box culvert, situated approximately 8 km apart from one another on ...

Phase 1 of the project was finished in 2013 and featured a pedestrian underpass and box culvert under Colo. 119 in addition to the construction of a sidewalk along the north side of the highway.