South Dakota (SD) DOT COMPLIANCE
SDDOT JURISDICTION
Commercial Combine Harvester with Duals Oversize Permits in South Dakota (2026)
Comprehensive carrier guide for transporting Commercial Combine Harvester with Duals across South Dakota. Review official SDDOT single-trip fees, escort trigger dimensions, curfew hours, and superload bridge thresholds.
⚡ Direct Compliance Summary (South Dakota DOT)
In South Dakota, single-trip oversize/overweight permits for Commercial Combine Harvester with Duals average $25.00 base under SDDOT jurisdiction. A front pilot car is legally mandated on two-lane highways when load width reaches 14'0" (and 16'0" on 4-lane interstates). Loads exceeding 16'0" require a certified lead escort with a calibrated height pole.
Single-Trip Permit Fee
$25.00
Issued by SDDOT
2-Lane Escort Trigger
14'0"
4-Lane Trigger: 16'0"
Height Pole Clearance
16'0"
Mandatory Lead Escort
Superload Threshold
180,000 lbs
Police Escort / Bridge Review
⚖️ Federal Bridge Formula B Quick Calculator (South Dakota Interstate Corridors)
Estimate your allowable gross vehicle weight under Federal Bridge Formula B: W = 500 [LN/(N-1) + 12N + 36].
🚦 South Dakota Travel Curfews & Operational Restrictions
Metropolitan Rush-Hour Curfews: Sioux Falls & Rapid City peak hours
Weekend Travel: Continuous movement permitted 7 days/wk
Safety Equipment: Slow Moving Vehicle (SMV) emblem, high-intensity amber flashers, side outrigger marker flags.
🗺️ Continuous Interstate Corridor: Bordering States for Commercial Combine Harvester with Duals
Hauling across state lines? Check escort triggers and permit rates in states directly bordering South Dakota: