The Company’s property, plant and equipment consisted of the following classes of assets as of December 31, 2023 and 2022:


(In thousands)	December 31, 2023		December 31, 2022
Structures	$	2,157,237	$	2,098,547
Furniture and other equipment	229,514		211,319
Land, buildings and improvements	143,300		131,758
Construction in progress	57,335		67,047
Property, plant and equipment, gross	2,587,386		2,508,671
Less: Accumulated depreciation	(1,921,042)		(1,836,558)
Property, plant and equipment, net	$	666,344	$	672,113

During 2023, the Company acquired billboard structures and land of $1.8 million and $0.1 million, respectively, as part of asset acquisitions. During 2022, the Company acquired billboard structures and land of $2.9 million and $8.2 million, respectively, as part of asset acquisitions.

Total depreciation expense related to property, plant and equipment for continuing operations for 2023, 2022 and 2021 was $162.8 million, $182.1 million, and $190.5 million, respectively. As certain assets have become fully depreciated, depreciation expense has decreased.

The Company did not recognize any impairments on property, plant and equipment during 2023, 2022 or 2021.