Measurements were fulfiled on December 5-6, 2006. The VIY2-300 GPR made by Transient Technologies Company, Kyiv, Ukraine, was used for data acquisition.

During this time 61 GPR profile with about 8-meters depth sounding were collected.

Both lawn and armored pavement tiles surface covering were under investigation.

This radar profile can be downloaded here. To process radar data apply Synchro2 software, that is here. Large building constructions, possibly basis of collapsed bridge, is marked by blue colour. River was at this place around a hundred years ago.

This radar profile can be downloaded here. Large buried objects are marked by blue colour. The deepest one is possibly underground construction. Depth of the roof is about 5.5 meters. To process radar data apply Synchro2 software, that is here.

This is measurement area with detected underground objects (green marks).

Fuller report on works on this object it is possible prohonour here (russian only).