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Oversize Load Permit Requirements — Missouri
Legal size/weight limits, escort thresholds, travel restrictions, and permit office contact for Missouri.
These figures are a reference summary of publicly published state rules, not a substitute for a state-issued permit and not legal advice. Rules change — always confirm current limits and requirements directly with the state permit office before you plan or run a move. Last verified: 2026-06-28. Oversize Ops is NOT responsible and CANNOT be held liable for decisions made from this reference. Official source ↗
Legal Maximum Dimensions (no permit required)
- Width
- 8.5ft (102in)
- Height
- 13.5ft (162in)
- Length
- 53ft
- Gross Weight
- 80,000 lbs
- Single Axle
- 20,000 lbs
- Tandem Axle
- 34,000 lbs
Escort / Pilot Car Thresholds (see glossary for terms, certification requirements for the driver)
- Front escort required over
- 12ft wide
- Rear escort required over
- 12ft wide
- Both escorts required over
- 14ft wide
- Height escort required over
- 14ft tall
Front escort >12ft, both escorts >14ft. MoDOT certified escorts required. State highway patrol for superloads.
Travel Restrictions
- Night travel
- Generally restricted
- Weekend travel
- Generally allowed
- Sunday travel
- Generally allowed
Night travel restricted. St. Louis metro area has additional restrictions.
Holiday blackouts: Major US holidays.
Superload Thresholds
- Width over
- 15ft
- Length over
- 150ft
- Weight over
- 200,000 lbs
Estimated Permit Cost Current
$15 + $250 if over 16ft wide/16ft tall/150ft long + $20 per 10,000 lb over legal; bridge fee $425–$925 if over 160,000 lbs
Typical processing: 7-day validity
Source: MoDOT regulation (~2025).
Permit fee only — does not include escort/pilot-car service costs (market-rate, arranged separately) or third-party permit-service fees. This is an estimate for planning purposes, not a quote.
Get a Permit
- Online portal
- https://epermit.modot.mo.gov/
- Phone
- 1-573-751-3622
MoDOT ePERMIT online system.
Planning a move through Missouri?
Plan a truck-legal route that checks bridges and construction, or find a vetted transporter or escort.
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