April 25 (Reuters) -

Caterpillar posted a rise in quarterly adjusted profit on Thursday as steady infrastructure spending in the United States drove demand for construction equipment and heavy machinery.

The company reported an adjusted per-share profit of $5.60 for the first quarter, up from $4.91 a year earlier. (Reporting by Deborah Sophia in Bengaluru; Editing by Saumyadeb Chakrabarty)