A device for indicating a creep rate of a given material in presence of a fluid, comprising: a reservoir including a fluid basin in which a second platen , a sample of the given material positioned on the second platen and a fluid rising to a fluid level above an upper surface of the sample are included; a cantilever including: a mount mounted to a surface on which the reservoir is disposed and including a pivot ; a cantilever arm connected on a first end to the pivot including a weight holder on a second end opposite to the first end and including a swivel between the first end and the second end; a first platen connected to the swivel and held in contact with the upper surface of the sample via a downward force applied on the second end to transfer a compressive load to the sample; and. a compression interlock configured to position the second end of the cantilever arm at one of a first height and a second height, wherein: at the first height the first platen is positioned to transfer the force applied via the weight holder to a sample positioned on the second platen, and at the second height the first platen is positioned to not transfer the force applied via the weight holder to a sample positioned on the second platen. a reservoir including a fluid basin in which a second platen , a sample of the given material positioned on the second platen and a fluid rising to a fluid level above an upper surface of the sample are included; a cantilever including: a mount mounted to a surface on which the reservoir is disposed and including a pivot ; a cantilever arm connected on a first end to the pivot including a weight holder on a second end opposite to the first end and including a swivel between the first end and the second end; a first platen connected to the swivel and held in contact with the upper surface of the sample via a downward force applied on the second end to transfer a compressive load to the sample; and. a compression interlock configured to position the second end of the cantilever arm at one of a first height and a second height, wherein: at the first height the first platen is positioned to transfer the force applied via the weight holder to a sample positioned on the second platen, and at the second height the first platen is positioned to not transfer the force applied via the weight holder to a sample positioned on the second platen. a mount mounted to a surface on which the reservoir is disposed and including a pivot ; a cantilever arm connected on a first end to the pivot including a weight holder on a second end opposite to the first end and including a swivel between the first end and the second end; a first platen connected to the swivel and held in contact with the upper surface of the sample via a downward force applied on the second end to transfer a compressive load to the sample; and. a compression interlock configured to position the second end of the cantilever arm at one of a first height and a second height, wherein: at the first height the first platen is positioned to transfer the force applied via the weight holder to a sample positioned on the second platen, and at the second height the first platen is positioned to not transfer the force applied via the weight holder to a sample positioned on the second platen. <EOS>