Trucker Guide: I-4 Exit 38 (SR-557 / Lake Alfred)

I-4 Exit 38 (SR-557 / Lake Alfred) is a transformed hub for freight movement in Polk County.

As of 2026, the modern diamond interchange featuring dual teardrop-shaped roundabouts is complete. This exit serves as a critical bypass point between Lakeland and the heavy traffic of the US-27 corridor.

Parking Availability & Type

Direct parking at Exit 38 is virtually non-existent; this is a pass-through exit. For a 10-hour reset, use the rest areas or travel centers 10 miles in either direction.

Official Staging & Rest Areas:

FDOT Polk County Rest Area (EB/WB)
Mile Marker 44 (approx. 6 miles east).
NAP: I-4, Polk City, FL 33868
Details: Large paved lot with dedicated truck slots. High-demand as of 2026; arrive early for legal night spots.

Unofficial Staging:

  • SR-557 Shoulders: Wider shoulders post-reconstruction, but No Parking is strictly enforced for roundabout flow.
  • Old Grade Road: Just north of interchange. Gravel shoulder space for short-term emergency staging; no security or lighting.

Fuel Amenities (Diesel Specific)

No dedicated truck stops at Exit 38. Fueling is for bobtails or reefers that can navigate retail canopies.

Local Diesel (Bobtail Friendly):
7-Eleven / Mobil: 1050 SR-557. Tight for 53’ trailers.

High-Speed Pumps & Bulk Discounts:
West: Lakeland Travel Stop (Exit 32).
East: Love’s Travel Stop (Exit 44). Primary hub for bulk DEF and high-speed pumps.

Food & Driver Comfort

Options are minimal. Head 4 miles south into Lake Alfred for more choices.

Subway: Inside 7-Eleven at 1050 SR-557. (863)956-4355. Bobtail-accessible.

Corner Store Deli: Grab-and-go fried chicken and sandwiches available at local stations.

Showers/Laundry: None on-site. Use Love’s (Exit 44) or TA Express (Exit 10).

Technical Specs & Scales

SR-557 Bridge (Over I-4): 16'2
I-4 Mainline at SR-557: 15'6
Wildlife Under-crossing: 15'0 (0.5 mi East)
Nearest CAT Scale: Love’s Travel Stop (Exit 44), 6 miles east.
Nearest Weigh Station: Plant City EB (MM 14), ~24 miles west.

Re-entry & Radius

Re-entry Score: 9/10.
Diamond interchange is a massive improvement. Teardrop roundabouts are engineered for heavy truck turning radii.

Radius Alert: Stay in the center of the lane through the teardrops. Ensure tandems clear the interior apron; be mindful of wildlife fencing and concrete barriers.

Service & Repair

Croom's Fleet Services (Mobile)

Lake Alfred / Polk City Corridor
Ph:(863)860-5212
24/7 roadside assistance specializing in tires, air leaks, and emergency mechanical work.

Love’s Truck Care

Located at Exit 44 (Auburndale)
Full-service shop needs located just 6 miles east.

Traffic Flow & Local Landmarks

  • The Green Swamp: Hilochee Wildlife Management Area. Watch for wildlife—especially at night—despite new fencing.
  • The Roundabouts: Primary landmark. Traffic flows smoothly, though local commuters are still adjusting to yield patterns.
  • Lake Alfred Landmark: Mackay Gardens is a major local historical site located south on SR-557.

FAQ: Driver Quick-Hits

Is the construction at Exit 38 finished?
Yes. The major interchange reconstruction project was completed in late 2025. All ramps are now open in their final diamond configuration.

Is there Wi-Fi or a driver lounge at Exit 38?
No. This is a local service exit. For professional amenities, head to Exit 44 or the Exit 44 Rest Area (limited Wi-Fi).

Can I take SR-557 into Lake Alfred?
Yes, SR-557 is a designated truck route into the city, but be aware that it narrows once you enter the residential districts of Lake Alfred.