Case study · Road & bridge micropiles
Crawford Gulch MSE Wall
Two hundred micropiles, including cased 6-inch piles and battered 4½-inch piles, to support an MSE wall along a creek for Jefferson County Road & Bridge.
The project
Crawford Gulch MSE Wall
Crawford Gulch needed foundation support for a mechanically stabilized earth (MSE) wall built along the creek, with the drilling done from the slope and creek bank.
Park Range installed 200 micropiles for Colt & Steel and Jefferson County Road & Bridge. The 6-inch piles used 5.5-inch OD threaded casing, and the 4½-inch piles were installed battered (at an angle).
Excavator-mounted drills kept the equipment footprint small along the creek.
Scope of work
- 6-inch micropiles with 5.5-inch OD threaded casing
- Battered 4½-inch micropiles
- Excavator-mounted drilling on a slope next to the creek
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