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A pallet includes a cargo layer, a base layer and support structures coupled between. The cargo layer includes a pair of horizontally positioned outer plastic deck boards and at least one horizontally positioned intermediate plastic deck board therebetween. The at least one horizontally positioned i

A pallet includes a cargo layer, a base layer and support structures coupled between. The cargo layer includes a pair of horizontally positioned outer plastic deck boards and at least one horizontally positioned intermediate plastic deck board therebetween. The at least one horizontally positioned intermediate plastic deck board has opposing sidewalls, and a spaced apart openings at least partially extending through the opposing sidewalls. The pair of horizontally positioned outer plastic deck boards have opposing sidewalls, and spaced apart openings extending through at least one of the sidewalls of each outer plastic deck board. The spaced apart openings in each horizontally positioned outer plastic deck board are aligned with the spaced apart openings in an adjacent sidewall of least one horizontally positioned intermediate plastic deck board. Inserts are in the spaced apart openings.

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1. A plastic pallet comprising: a cargo layer comprising a pair of horizontally positioned outer plastic deck boards and at least one horizontally positioned intermediate plastic deck board therebetween, said at least one horizontally positioned intermediate plastic deck board having opposing sidewa

1. A plastic pallet comprising: a cargo layer comprising a pair of horizontally positioned outer plastic deck boards and at least one horizontally positioned intermediate plastic deck board therebetween, said at least one horizontally positioned intermediate plastic deck board having opposing sidewalls and opposing upper and lower surfaces extending between the opposing sidewalls, with a thickness of the opposing sidewalls being less than a width of the opposing upper and lower surfaces, and a plurality of spaced apart openings at least partially extending through the opposing sidewalls between the opposing upper and lower surfaces, andsaid pair of horizontally positioned outer plastic deck boards having opposing sidewalls and opposing upper and lower surfaces extending between the opposing sidewalls, with a thickness of the opposing sidewalls being less than a width of the opposing upper and lower surfaces, and a plurality of spaced apart openings extending through at least one of the sidewalls between the opposing upper and lower surfaces of each outer plastic deck board,the plurality of spaced apart openings in the sidewalls of each horizontally positioned outer plastic deck board being aligned with the plurality of spaced apart openings in an adjacent sidewall of said at least one horizontally positioned intermediate plastic deck board;a plurality of inserts in the plurality of spaced apart openings, with each insert extending between and being enclosed by the opposing upper and lower surfaces of at least one horizontally positioned outer plastic deck board and at least one horizontally positioned intermediate plastic deck board, and between each outer plastic deck board and an immediately adjacent intermediate plastic deck board there is a gap exposing said plurality of inserts extending therebetween;a base layer comprising a plurality of horizontally positioned plastic deck boards orthogonal to said pair of horizontally positioned outer plastic deck boards and said at least one horizontally positioned intermediate plastic deck board in said cargo layer; anda plurality of spaced apart support structures coupled between said base and cargo layers and forming gaps therebetween for receiving a lifting member, said plurality of spaced apart support structures comprising at least six, with each support structure having a C-shape with top and bottom flanges where each of the top flanges directly contact the outer or intermediate deck boards in the cargo layer. 2. The plastic pallet according to claim 1 wherein each insert is orthogonal to said pair of horizontally positioned outer plastic deck boards and said at least one horizontally positioned intermediate plastic deck board in said cargo layer. 3. The plastic pallet according to claim 1 wherein the plurality of spaced apart openings at least partially extending through the opposing sidewalls of said at least one horizontally positioned intermediate plastic deck board includes a first partially extending opening through one of the sidewalls and a second partially extending opening through the other sidewall, with the first and second partially extending openings being aligned and contacting one another so as to form a continuous opening therethrough; and wherein said plurality of inserts comprises a single insert extending between openings in said pair of horizontally positioned outer plastic deck boards and through the continuous opening in said at least one horizontally positioned intermediate plastic deck board. 4. The plastic pallet according to claim 1 wherein the plurality of spaced apart openings at least partially extending through the opposing sidewalls of said at least one horizontally positioned intermediate plastic deck board includes a first partially extending opening through one of the sidewalls and a second partially extending opening through the other sidewall, with the first and second partially extending openings being aligned but not contacting one another; and wherein said plurality of inserts comprises separate inserts extending between openings in said pair of horizontally positioned outer plastic deck boards and the first and second partially extending openings in said at least one horizontally positioned intermediate plastic deck board. 5. The plastic pallet according to claim 1 wherein the plurality of spaced apart openings at least partially extending through the opposing sidewalls of said at least one horizontally positioned intermediate plastic deck board includes a first partially extending opening through one of the sidewalls and a second partially extending opening through the other sidewall, with the first and second partially extending openings not being aligned and not extending through to the opposing sidewall; and wherein said plurality of inserts comprises separate inserts extending between openings in said pair of horizontally positioned outer plastic deck boards and the first and second partially extending openings in said at least one horizontally positioned intermediate plastic deck board. 6. The plastic pallet according to claim 1 wherein each insert comprises a pipe. 7. The plastic pallet according to claim 1 wherein said pair of horizontally positioned outer plastic deck boards and said at least one horizontally positioned intermediate plastic deck board has a height of H, and wherein an outside diameter of each insert is within a range of 0.25 H and 0.75 H. 8. The plastic pallet according to claim 7 wherein H is equal to 1 inch, and wherein the outside diameter of each insert is within a range of 0.25 and 0.75 inches. 9. The plastic pallet according to claim 1 wherein each insert overlies a respective horizontally positioned plastic deck board in said base layer. 10. The plastic pallet according to claim 1 further comprising a plurality of fasteners coupling said base and cargo layers to said plurality of spaced apart support structures. 11. The plastic pallet according to claim 1 wherein at least one of said outer plastic deck boards and said at least one intermediate plastic deck board in said cargo layer comprises a fire retardant material, and wherein at least one of said plastic deck boards in said base layer comprises a fire retardant material. 12. The plastic pallet according to claim 1 wherein at least one of said outer plastic deck boards and said at least one intermediate plastic deck board in said cargo layer comprises a plastic/wood composite, and wherein at least one of said plastic deck boards in said base layer comprises a plastic/wood composite. 13. A method for making a pallet comprising: forming a cargo layer comprising a pair of horizontally positioned outer plastic deck boards and at least one horizontally positioned intermediate plastic deck board therebetween, the at least one horizontally positioned intermediate plastic deck board having opposing sidewalls and opposing upper and lower surfaces extending between the opposing sidewalls, with a thickness of the opposing sidewalls being less than a width of the opposing upper and lower surfaces, and a plurality of spaced apart openings at least partially extending through the opposing sidewalls between the opposing upper and lower surfaces,the pair of horizontally positioned outer plastic deck boards having opposing sidewalls and opposing upper and lower surfaces extending between the opposing sidewalls, with a thickness of the opposing sidewalls being less than a width of the opposing upper and lower surfaces, and a plurality of spaced apart openings extending through at least one of the sidewalls between the opposing upper and lower surfaces of each outer plastic deck board, andthe plurality of spaced apart openings in the sidewalls of each horizontally positioned outer plastic deck board is aligned with the plurality of spaced apart openings in an adjacent sidewall of the at least one horizontally positioned intermediate plastic deck board;inserting a plurality of inserts in the plurality of spaced apart sets of aligned insert openings, with each insert extending between and being enclosed by the opposing upper and lower surfaces of at least one horizontally positioned outer plastic deck board and at least one horizontally positioned intermediate plastic deck board, and between each plastic outer deck board and an immediately adjacent intermediate plastic deck board there is a gap exposing said plurality of inserts extending therebetween;forming a base layer comprising a plurality of horizontally positioned plastic deck boards orthogonal to the pair of horizontally positioned outer plastic deck boards and the at least one horizontally positioned intermediate plastic deck board in the cargo layer; andcoupling a plurality of spaced apart support structures between the base and cargo layers and forming gaps therebetween for receiving a lifting member, the plurality of spaced apart support structures comprising at least six, with each support structure having a C-shape with top and bottom flanges where each of the top flanges directly contact the outer or intermediate deck boards in the cargo layer. 14. The method according to claim 13 wherein each insert is orthogonal to the pair of horizontally positioned outer plastic deck boards and the at least one horizontally positioned intermediate plastic deck board in the cargo layer. 15. The method according to claim 13 wherein the plurality of spaced apart openings at least partially extending through the opposing sidewalls of the at least one horizontally positioned intermediate plastic deck board includes a first partially extending opening through one of the sidewalls and a second partially extending opening through the other sidewall, with the first and second partially extending openings being aligned and contacting one another so as to form a continuous opening therethrough; and wherein the plurality of inserts comprises a single insert extending between openings in the pair of horizontally positioned outer plastic deck boards and through the continuous opening in the at least one horizontally positioned intermediate plastic deck board. 16. The method according to claim 13 wherein the plurality of spaced apart openings at least partially extending through the opposing sidewalls of the at least one horizontally positioned intermediate plastic deck board includes a first partially extending opening through one of the sidewalls and a second partially extending opening through the other sidewall, with the first and second partially extending openings being aligned but not contacting one another; and wherein the plurality of inserts comprises separate inserts extending between openings in the pair of horizontally positioned outer plastic deck boards and the first and second partially extending openings in the at least one horizontally positioned intermediate plastic deck board. 17. The method according to claim 13 wherein the plurality of spaced apart openings at least partially extending through the opposing sidewalls of the at least one horizontally positioned intermediate plastic deck board includes a first partially extending opening through one of the sidewalls and a second partially extending opening through the other sidewall, with the first and second partially extending openings not being aligned and not extending through to the opposing sidewall; and wherein the plurality of inserts comprises separate inserts extending between openings in the pair of horizontally positioned outer plastic deck boards and the first and second partially extending openings in the at least one horizontally positioned intermediate plastic deck board. 18. The method according to claim 13 wherein each insert comprises a pipe. 19. The method according to claim 13 wherein the pair of horizontally positioned outer plastic deck boards and the at least one horizontally positioned intermediate plastic deck board has a height of H, and wherein an outside diameter of each insert is within a range of 0.25 H and 0.75 H. 20. The method according to claim 19 wherein H is equal to 1 inch, and wherein the outside diameter of each insert is within a range of 0.25 and 0.75 inches. 21. The method according to claim 13 wherein each insert overlies a respective horizontally positioned plastic deck board in the base layer. 22. The method according to claim 13 wherein at least one of the outer plastic deck boards and the at least one intermediate plastic deck board in the cargo layer comprises a fire retardant material, and wherein at least one of the plastic deck boards in the base layer comprises a fire retardant material.