Possible Clues:

• Ancient Greek bridge crossing a rivulet’s banks
• Section in medical facility lacking in comfort?
• Simple crash involving vehicles blocking bridge
• Like the ancient Greek army in "300"
• Austere as those in ancient Greek city
• With pole, beat one of 300 in battle?
• Lacking comfort, austere
• Ran past, dreadfully hard
• Austere box belt
• Practicing self-denial