A truck bed extender is described for use with a pickup truck having a bed with a bed floor, opposed side walls along each side of the bed floor and a tailgate hinged at the rear of the bed floor. Spaced, parallel, telescoping arms are pivotally attached at their inner ends to hinge assemblies secured to the floor of the bed adjacent the rear of the bed. A horizontal crossbar providing support for elongated articles is attached to the outer ends of the arms with crossbar connectors. Each hinge assembly includes an eyebolt with a shank inserted into a bore in the bed floor and a yoke attached to the inner end of an arm, with the ears of the yoke attached by a coupling bolt or pin that extends through bores in the yoke ears and the eye of the eyebolt.