(a) The state infrastructure bank is an account in the state highway fund. The bank is administered by the commission.
(b) Federal funds received by the state under the federal act, matching state funds in an amount required by that act, proceeds from bonds issued under Section 222.075, secondary funds, other state funds deposited into the bank by order of the commission, and other money received by the state that is eligible for deposit in the bank may be deposited into the bank and used only for the purposes described in this subchapter.