Question: What 64.4 mi long stretch of Hawaii Routes 36 and 360 which connects Kahului with the town of Hāna in east Maui, contains 11-acre nature preserve Spirit of Aloha Oceanfront Botanical Garden? 
Sentence (from "Hana Highway"): Many of the concrete and steel bridges date back to 1910 and all but one are still in use.
Relevant evidence: No