A used Ram 2500, an F-250, a Silverado 2500 HD. If you're making the daily run from Panama City Beach across the Hathaway Bridge to Panama City in a heavy-duty truck, you can do it comfortably. Just know what you're signing up for. The Hathaway Bridge on US-98 is currently a construction zone with the speed limit dropped to 35 mph on the westbound approach, stop-and-go is real, and an HD truck in slow city traffic burns fuel and builds heat in ways a quick highway run does not. Drive with that in mind and the commute is fine. Ignore it, and you'll wear your brakes, your DPF filter, and your fuel budget faster than the truck deserves.
What to Do (and Not Do) on This Run
| Situation | Do This | Not This |
|---|---|---|
| Hathaway Bridge construction zone (35 mph) | Match the flow early, coast down from distance | Brake hard repeatedly from highway speed |
| Stop-and-go on US-98 approach | Accelerate smoothly, low RPM | Mat the throttle between lights |
| Diesel engine on a short, repeated haul | Let the engine fully warm before stops | Shut off immediately after a cold start run |
| Heavy-grade bridge crest | Stay in a lower gear, use engine braking | Ride the service brake down the back side |
| September Gulf Coast heat | Check tire pressure before the run (heat expands air) | Ignore the TPMS light (it trips faster in 90-degree mornings) |
| Parking in downtown Panama City | Give yourself extra room at the end of your pull-through | Rush a tight reverse into a standard space |
Smooth Throttle Is the One Technique That Changes Everything
On a 10-mile mixed run with bridge grades and a construction zone, the single biggest variable in your HD truck's behavior is how you use the throttle. The Ford F-250 with a 6.7L Power Stroke and the Chevrolet Silverado 2500 HD with a 6.6L Duramax both produce enormous low-RPM torque, which is their strength and also what makes them feel deceptively easy to overcook in slow traffic.
The reason this matters comes down to fuel and heat. Heavy-duty trucks above 8,500 pounds GVWR are not required to publish EPA fuel economy ratings. Real-world owner data (aggregated from fuel-tracking logs) puts the Silverado 2500 HD gas engine at roughly 11 to 14 mpg in mixed driving, and the diesel version at around 13 mpg combined. Those numbers drop further when the engine never reaches operating temperature on a short, light-load commute. Cold running is the culprit. Diesel particulate filters need sustained highway speed to complete their regeneration cycle. A repeated 10-mile cold-start run without a highway leg is genuinely hard on a diesel HD, and it's the honest downside of this setup. We tell people that straight up.
Smooth throttle narrows most of that gap. Our team recommends this short routine.
- Warm the engine for two to three minutes before you move, especially on a diesel. September in Bay County runs hot, but the engine still benefits from a brief idle at startup.
- Accelerate from lights to 25-35 mph in a single, steady press (not a stomp-and-coast rhythm). These engines have torque to spare at low RPM, so you don't need to remind them.
- Lift your foot 200 to 300 feet before the construction zone entry point on the bridge approach. Let the truck's weight carry you down to 35 mph instead of trailing your brakes.
- On the bridge crest, downshift one gear and use engine braking on the back side. Service brakes on a heavy truck cool slowly in stop-and-go, and managing the descent saves wear.
- At your destination on W 15th Street, let the engine idle for a minute or two before shutting down a diesel that ran hard. The turbocharger bearings will thank you for it.
The Honest Bottom Line for Your Commute
If you're hauling tools, a trailer, or a boat to St. Andrews Bay on the weekends, an HD truck is the right call for your life, and the commute is just part of owning the right vehicle for the job. Our Ram 3500 listings give you a sense of what's on the lot right now if you're shopping the heavier end. If the Bay Cars-to-beach run is mostly solo and cargo-free, know that the fuel burn on this specific route will be higher than the truck's road-trip numbers suggest. Bay Cars sits on W 15th Street in Panama City. None of that is a reason to walk away from an HD truck. Go in clear-eyed, adjust your driving technique, and budget for the fuel reality of stop-and-go miles on a big machine.
Browse our used HD truck inventory to compare what's available across Ram, Ford, and Chevrolet heavy-duty lines. Talk to us about which engine and spec makes sense for how you actually use the truck.
Drive smooth, and give yourself distance on the bridge. The truck will handle the commute, and we'll help you find the right one for the rest of your life beyond it.