In City of Waco v. Texland, 446 S.W.2d 1, 2 (Tex. 1969), the access to Texland's loading docks was partially blocked by piers supporting the City's viaduct.
It became difficult, but not impossible, for trucks to maneuver in the area in front of the docks.
The supreme court held there was a substantial and material impairment of access that was compensable as a damaging of properties for public use. Texland, 446 S.W.2d at 4.
In Texland, the lack of maneuverability after the taking reached such a level that the warehouse was virtually unusable for its intended purpose because trucks capable of transport could not access the property. Texland, 446 S.W.2d at 4.