Inside the massive Garrison Dam spillway inspection

Standing directly above an active dam spillway

Engineers walk out onto a suspended catwalk high above the spillway gates to inspect the water rushing through the structure.

Engineers Inspect Active Spillway Gates From Above

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The Insane Scale of Garrison Dam's Active Spillway

The terrifying scale of a 28-gate dam spillway

A wide telephoto view shows multiple spillway gates discharging water into the chute while engineers walk along the narrow service bridge above.

Driving utility vehicles on a drained dam spillway

Utility vehicles and inspectors drive across the damp, colossal concrete apron below the spillway gates to examine drainage and surface conditions.

Driving Across a Massive Concrete Dam Spillway Floor

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Simultaneous Spillway Gate Flow at Garrison Dam

Watch water surge through multiple dam gates

Multiple radial gates release thin, foaming sheets of water that cascade across the concrete chute toward the river basin.

[01:29] Engineers Inspect Active Spillway Gates From Above
[03:13.000] The Insane Scale of Garrison Dam's Active Spillway
[07:48] Driving Across a Massive Concrete Dam Spillway Floor
[10:18.000] Simultaneous Spillway Gate Flow at Garrison Dam

Inside the massive Garrison Dam spillway inspection

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