IRWINDALE PLANT, operated by UNITED ROCK PRODUCTS CORP (Colas S A), is a premier Los Angeles County surface mine producing high-quality construction sand and gravel suitable for a wide range of applications. Conveniently located with easy access to I-10, I-15, Hwy 210, and Hwy 605, this plant provides readily available material to serve the Southern California construction market. With 35 employees, the IRWINDALE PLANT is a well-established operation committed to delivering reliable aggregate solutions.
Operator
UNITED ROCK PRODUCTS CORP
Parent Company
Colas S A
Company Type
Corporation
50
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34.118333, -117.980556
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
Out of service/shop storage location. 90 Industrial Way, Beckwourth, CA 96129, CA
Construction Sand and GravelI-80W to CA 37 towards Novato, Right on Hwy 101 N to Exit 479 and go Left. Right onto Stony Point Rd, Left on Roblar Rd. Mine is on Left, CA
Construction Sand and GravelFrom F/O take I-10 West to 215 North to the I-15 North, to the 395 to Fort Independence. Juts past Fort Independence, turn left on dirt road, W. Dusty Ln. and follow to mine., CA
Sand, Industrial NECFrom Hwy 41, head West on Hwy 145 for approximately 1 mile. Turn left onto 40450 E. Hwy 145, Madera, CA 93636., CA
Crushed, Broken Stone NEC