Combined road plan apportionments received by this state under the Federal-Aid Highway Act of 1987 shall be allocated by the department to city, county, and urbanized areas consistent with procedures established under Chapters 5 (commencing with Section 2200) and 7 (commencing with Section 2350). That portion of combined road plan apportionments attributable to the federal bridge reconstruction and replacement program shall be obligated to bridge construction or other eligible use approved by the department.