Brian’s USA Diner

06/16/2026

Sink into a juicy burger topped with crispy onions and paired with curly fries.

🍔

06/15/2026

Planning a graduation party, wedding, baby shower, corporate event, family gathering, or special celebration? Let us take care of the food!

From beautifully crafted charcuterie boards and crowd-pleasing appetizers to full-service catering, we're here to make your event stress-free and delicious.

✨SPECIAL OFFER✨
Book your catering through our website or send us a message within the next 7 days and receive 10% OFF your catering order when you mention this post!
Dates fill quickly, so don't wait to reserve your spot. Browse these photos for a taste of what we can create for your next event!

Message us today for pricing, availability, and
custom menu options.

06/14/2026

Refresh your senses with these vibrant drinks, bursting with fruity flavors and a touch of sweetness.

🍹

06/13/2026

06/12/2026

Planning a wedding, family reunion, or corporate event in Mount Morris? Did you know our Diner has a private back room AND delicious food and outstanding service for these and more occasions. Inquire today to make your celebration unforgettable!

🎉🥳

06/11/2026

🚂 The Big Boy is coming! 🇺🇸

As the legendary Union Pacific 4014 Big Boy rolls across America in celebration of our nation’s 250th Anniversary, make sure to take in this once-in-a-lifetime sight and then stop by the diner to cool off and refuel!

Whether you’re looking for an ice-cold beer, a refreshing margarita, a creamy milkshake, or a delicious meal, we’ve got everything you need after a day of train watching and celebrating American history.

Bring your family, share your Big Boy stories, and make a day of it with great food, cold drinks, and hometown hospitality.

See the train. Celebrate America. Then come grab a bite with us! 🚂🇺🇸🍔🍺🥤
Open until 8pm, and can’t wait to see you!

06/11/2026

It’s official! Our NEW website has been launched! Make sure you go to www.briansusadiner.com to check it out!

06/10/2026

Explore a delicious spread of diner classics, from cheesy melts to crisp curly fries.

🍽️

06/08/2026

Discover the perfect blend of flavors with this hearty and delicious wrap waiting for you.

🌟

06/08/2026

🚂 All aboard for a once-in-a-lifetime experience!

This Thursday, June 11th, Union Pacific’s legendary Big Boy No. 4014 — the world’s largest operating steam locomotive — will make its way through Wyoming County as part of America’s 250th Anniversary celebration. Around 12:20 PM, visitors will have the chance to watch this incredible piece of history cross the Genesee Arch Bridge at Letchworth State Park.

Whether you’re a train enthusiast, photographer, history buff, or just looking for a memorable family outing, this is an event you won’t want to miss!

After you’ve spent the day at the park, make your way over to the diner! We’ll be ready with daily specials, ice-cold drinks, refreshing margaritas, cold beer, creamy milkshakes, and all your favorite comfort foods waiting for you.

Spend the day making memories, then stop in, cool off, and let us take care of lunch & dinner. We can’t wait to see you! 🍔🍟🍺🥤🚂