That is an 18% grade for about 2 miles.
We did it with an F250 diesel and an 8K tt without a problem, up and down. Steep and curvy, but no drop offs to speak of. A smaller/lighter truck may struggle.
2015 Jeep Willys Wrangler
2014 Fleetwood Bounder 33C
States camped: all but Hawaii
more than 1700 days on the road