Federal & State Regulations | Oversize and overweight movements - Missouri

General requirements

Reducible expectations	Special permits may be issued for non-reducible movements exceeding Missouri’s length, width, height, and weight limitations. Reducible permits may be issued for farm products, farm equipment with dual tires, construction equipment with blade/bucket attached, a vehicle carrying raw fluid milk products from a farm and/or raw milk products to or from a milk plant, receiving station or transfer station, certain emergency response vehicles, and military vehicles.
Permit timing	NS
Method of application	MoDOT Carrier Express (MCE) on-line service or through J. J. Keller & Associates, Inc., Trip Permits, at (800) 231-5266.
Payments accepted	Motor Carrier Services accepts eChecks, debit and credit card payments. Arrangement for payment of permit fee must be made either by use of escrow accounts, which must be in effect prior to permit application request, or by payment of the fee at the time of application.
Electronic permits	The permit must accompany the move until the move is completed.
Route surveys	The permittee will cause the operators of all motor vehicles involved in the movement to take all necessary precautions to avoid hazards existing along the prescribed route, such as, but not limited to, construction projects, physical restrictions, or conditions which will not permit the movement of the vehicle and its load without detriment to the state highway or its drainage structure, signs, guardrails, signals, shoulders, pavement, right-of-way, or any other facility. The permittee or their representative must physically drive the proposed route to be used prior to issuance and attest that all turns, curves, etc. can be safely negotiated if the load is greater than 150’ long. If the load encounters problems negotiating such route during transportation, the company will be charged new permit fees (including a bridge study analysis for superloads).

Insurance requirements

Available permits and fees

Overdimension
Permit Period	Conditions	Fee
Single trip	Overdimensional permit	$15
Single trip	Overdimensional permit more than 16' wide, 16' high or 150' long • $250 for movement feasibility fee	$15 plus $250
Trip	Multi-stop overdimensional permit (farm implements only)	$25
Annual	Overdimensional permit-single commodity. Multipiece loads must be nonreducible and nondivisible in dimension. The permit will describe and specify the object to be hauled.	$128
Annual	Overdimensional permit-multiple commodity. Multipiece loads must be nonreducible and nondivisible. • Width up to 12' 6" • Length up to 150' • Height and weight must be legal	$400
Overweight
Permit Period	Conditions	Fee
Single trip	Up to and including 160,000 lbs gross weight	$15 plus $20 per each 10,000 lbs over legal
Annual	Emergency overweight permit (round trip)	$624
Annual	Well driller, crane, or concrete pump truck	$300
Annual	Milk hauler - travel on interstate carrying raw fluid milk products from a farm and/or raw milk products to or from a milk plant, receiving station, or transfer station	$500
Annual	Local log truck and local log truck tractors	$300
Overdimension and/or Overweight
Permit Period	Conditions	Fee
Annual	Longer Combination Vehicle (LCV)	$128
1-day	Highway crossing permit	$250
Annual	Blanket permit	$300
Single trip	Noncommercial building movement	$265
Variable	Movement and/or operation of overdimension and overweight road building equipment within the limits of a specific highway project or combination of projects, for a period not to exceed the completion date of that project.	$125
Special fees
Permit Period	Conditions	Fee
Any	Permit amendments	$2
0 - 50 miles	Bridge and roadway analysis fee	$425
51 - 200 miles		$625
Over 200 miles		$925

Permit limitations

Permit limitations
Width	Limitation
Standard	Up to 16'
Length	Limitations
Standard	• 60' for a single unit, or • 150' for a combination unit, and • Truck-trailer combination units not exceeding 75'
Weight	Limitations
Single axle	20,000 lbs
Tandem axles	46,000 lbs (but not more than 24,000 lbs for any one axle of a multi-axle group)
Tridem axles	60,000 lbs (but not more than 21,000 lbs for any one axle of a multi-axle group)
Quadrum axles	72,000 lbs (but not more than 19,000 lbs for any one axle of a quadrum axle group)
Single Commodity
Configuration	Limitation
Implements of husbandry	• Width up to 12' 6" • All other legal dimensions and weight
Farmers and farm implement dealers	100-mile radius blanket. If the equipment is designed to be towed, it must meet all regulatory safety requirements. • Width up to 14' 6" • All other legal dimensions and weight
Farm implements and construction equipment.	Farm equipment with dual tires and construction equipment with blade/bucket attached will not be required to comply with the reducible load requirement for width. • Width up to 12' 6" • Length up to 150' • Legal height and weight
Farm products (hay)	• Width up to 12' 6" • All other legal dimensions and weight
Manufactured and sectional home units	• Width up to 12' 6" • Length up to 150'
Local log truck and local log truck tractors	May operate within a 150 mile radius from the forestry site with: • Steer-axle - rated capacity • 22,400 lbs on a single axle • 44,800 lbs on a tandem axle • 105,000 lbs (up to) gross weight Permit may not be used on the interstate or nation network highways
Overdimensional/Overweight Blanket
Configuration	Limitation
Well-drilling Concrete pump truck	• Width up to 12' 6" • Length up to 60' (single unit) • 20,000 lbs single axle • 40,000 lbs tandem • 60,000 lbs on triple or quadrum axles • Bridge formula GVW
Crane	Four axles or less: • Width 12' 6" • Length 60' • Weight 20,000 per axle up to gross limits of specialized equipment
Public Utility or Public Works (30- day)	• Width up to 12' 6" • Length up to 150' • Legal height and weight
Public utility	• Length up to 150' • Width, height and weight must be legal
Emergency response	• Width up to 12' 6" • Length up to 150' • Legal height • Bridge formula for axles and GVW
Sludge disposal units	• Width up to 11' 6" • Width, height and weight must be legal
Milk hauler	• Weight up to 85,500 • Width, height, and length need to be legal
LCV	Longer combination vehicles • Up to 120' in overall length to travel to and from locations within 20 miles of the western border of Missouri • 95,000 lbs is allowed for LCVs entering from the Nebraska border • 90,000 lbs is allowed for LCVs entering from the Oklahoma border

Signs

General sign requirement	Displayed front and rear for loads exceeding 10’ 6” in width. If the overall length of a single unit exceeds 50’ an oversize load sign is required on the rear of the load.
Escort sign requirement	Must be displayed on the front and/or rear of the vehicle, whichever is applicable for the move. A sign mounted on the top of the vehicle with printing on both sides is acceptable.
	Type	Size	Lettering	Background
General signs	OVERSIZE LOAD/WIDE LOAD	7' x 18'	10" black lettering with 1.4" brushstroke.	Yellow
Escort signs	OVERSIZE LOAD/WIDE LOAD	5' x 12" minimum	8" black lettering	Yellow

Lights

General light requirements	Clearance lights instead of flags must be mounted at extreme ends or load projections when moving after daylight and/or when visibility is less than 500'.
Escort light requirements	NS
	Type	Placement
General light type and placement	Clearance lights	Extreme ends or load projections.
Escort light type and placement	NS	NS

Flags

	Type	Size	Placement
General Flags	Red, yellow, or orange fluorescent.	18" square	On extreme ends or projections of all overwidth/overlength loads and all 4 corners of manufactured and sectional home units.
Escort Flags	(2) Red or orange fluorescent	18" square min	Mounted on a staff at the 2 front extremities of the vehicle for a front escort and at the rear extremities for a rear escort.

Escort vehicle markings

Size	Placement	Content
NS	NS	NS

Escort/Flagperson Requirements

Permittees must ensure escorts accompanying their moves comply with the necessary regulations. Permittees must also verify the escort's minimum financial responsibility as required by law is in force at all times.

The permittee must keep a two-way radio in the cab during operation.

Escorts are required for oversize/overweight loads as specified by permit or required as follows:

Dimension	Roadway	Escorts
Width 12' 6' to 14'	Interstate or designated route Dual-lane, divided, or multi-lane pavement	One rear
	Interstate or designated route Two-lane pavement	One front
	Off interstate or designated route Two-lane routes	One front and one rear
Width over 14'	Interstate and other divided highways	One rear
Width over 14'	Multi-lane undivided and two-lane highways	One front and one rear
Night movements (additional lighting requirements): Width 10' 6" Width hay 14' (max allowed)	Interstate and dual lane divided	One rear
	Two-lane and multi-lane undivided state highways	One front and one rear
Length over 90'	All non-divided highways	One rear
Height over 15' 6"	All roadways	One height detection vehicle with a vertical clearance detection device and have direct, continuous, uninterrupted, two-way communication with the power unit
Super loads (additional requirements to above - up to three civilian)
Weight over 350,000 lbs	Any	One front and one rear
Any super load	Two-lane highways	One front (civilian)
Any super load	In Kansas City or St. Louis areas On bridge at crawl speed	One front and two civilian rear
Width 16'	All sections of dual lane highways traversed	One front and two civilian rear (No MSP present) One front and one civilian rear (MSP present)
Width 16'	Two-lane highways	Missouri State Highway Patrol escorts required
Width 18'	On interstate or dual lane highway	Missouri State Highway Patrol escorts required
Length over 150'	Any highway	Missouri State Highway Patrol escorts required
Height 17'	Any highway	Missouri State Highway Patrol escorts required

A separate escort shall be provided for each load and each dimension. Travel in convoy is not allowed. Additional and/or special escort requirements may be specified whenever the size, speed, or operation of movement might require.

Oversize load signs are required and shall be lighted or reflectorized. Clearance lights in lieu of flags shall be mounted at extreme ends or load projections when moving after daylight hours and/or when visibility is less than 500’.

Front escorts must travel 300’ in front of the load and rear escorts 300’ to the rear of the load.

Flagpersons

Flagging is required whenever the dimensions of overwidth loads are equal to or exceed the width of the traveled lane on 2-lane bridges or whenever the movement is of such width or length that it infringes on the adjacent lane of traffic.

The operator of the escort vehicle may act as the flagperson. On shorter bridges it may not be necessary to stop traffic if sight distance is good, but on longer bridges or where sight distance is short, a flagperson must trained to handle and/or stop traffic if necessary.

Escort car/company requirements

Escort car drivers must be at least 18 years of age.

Escort vehicles must be a single unit vehicle of standard size with unobstructed vision to the front and rear and in safe operating condition. The unit may be an automobile, pickup truck, utility vehicle, station wagon, or equivalent. A separate escort is required for each load. The escort vehicle must be equipped with:

At least two clean red or orange fluorescent warning flags, 18 inches square, mounted on a staff at the front extremeties of a vehicle for a front escort, and at the rear extremeties for a rear escort;
A vertical clearance detection device if escorting an overheight load exceeding 15 feet 6 inches; and
Continuous, two-way communication with the power unit.

In heavy traffic or when traveling within cities or towns, the escort vehicle should maintain a distance consistent with existing traffic conditions.

Escort car signs, flags, and lights

OVERSIZE LOAD or WIDE LOAD signs must be displayed on the front and/or rear of the escort vehicle, whichever is applicable for the move (an optional sign mounted on the top of the vehicle with printing on both sides is acceptable). Signs are to be a minimum size of five feet long by one foot high with minimum eight-inch high letters. The sign’s background must be yellow with black lettering, and be visible for at least 300 feet.

Escort vehicles must be equipped with flags whenever the dimensions of overwidth loads are equal to or exceed the width of the traveled lane on two lane bridges or whenever the width of the movement infringes on the adjacent lane of traffic. Flags must be posted as follows:

At least two red or orange fluorescent warning flags must be mounted on a staff at the two front extremities of the vehicle for a front escort and at the rear extremities for a rear escort.
Flags must be clean, red, yellow, or orange fluorescent, in good condition, with no advertising or wording, and be at least 18 inches square.

Travel restrictions

Daytime	Movement is limited from 30-minutes before sunrise to 30-minutes after sunset. Rush-hour restrictions exist for the metropolitan areas of St. Louis, St. Charles, Kansas City, and Springfield.
Weekend	Weekend movements are limited in the Lake of the Ozarks and Branson areas during peak seasons.
Holidays	Special restrictions exist for holidays falling close to weekends. If the holiday is not near a weekend, then the restriction begins at noon the day prior to the holiday until 30 minutes before sunrise on the day following the holiday. Movement is restricted on: • New Year's Day • Memorial Day • Independence Day • Labor Day • Thanksgiving Day ( begins at 12 p.m. on Wednesday until 30-minutes before sunrise on the following Monday. • Christmas Day.
Visibility	No movement is allowed when road conditions are hazardous, such as snow and ice covered, or when hazardous cross winds affect the movement, or when weather conditions are such to limit the visibility to less than 500'.

Liability	An applicant for an oversize overweight permit must have coverage for bodily injury to, or death of, an individual and for loss or damage to property. Coverage must be in effect during all of the applicant’s oversize overweight operation authorized under the permit and cover each motor vehicle operating under the authority of the applicant’s permit.
Coverage	Applicants must hold coverage for routine moves for $750,000. For super heavy and large loads or noncommercial building (house) movements, $2,000,000 is required.

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Oversize and overweight movements - Missouri