TM 5-5420-203-14
1-8. EQUIPMENT DATA - CONT
The following crossing restrictions are for combat vehicles exceeding a 60 ton vehicle weight and must be
enforced for crossing safety and to increase bridge service life:
CAUTION CROSSING - total vehicle classification from 50 to 70 MLC for 50 foot gap
Maximum speed of vehicle on bridge is EIGHT (8) miles per hour.
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Upper connecting pins (4 each) must be installed
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Approach the bridge at no greater than maximum crossing speed
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Vehicle must be centered on bridge.
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Vehicle operator should restrict steering adjustments to the minimum.
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No stopping, accelerating, or shifting gears while on the bridge.
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No more than one vehicle on bridge at one time.
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WARNING
DO NOT cross the AVLB with a M1 series tank that has the Mine Clearing Blade
installed. Doing so will result in damage to the bridge and could cause death or serious
injury to personnel.
RISK CROSSING - for total vehicle classification over 60 but not exceeding 70 MLC for 60 foot gap
Risk crossings can be made in emergencies when excessive combat losses would otherwise result.
Maximum speed of vehicle on bridge is THREE (3) miles per hour (MPH)
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Upper connecting pins (4 each) must be installed.
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Approach the bridge at no greater than maximum crossing speed.
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Vehicles must be centered on bridge.
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Vehicle should properly align down the center line of the bridge so steering adjustments are not
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required while on the bridge.
No stopping, accelerating, or shifting gears while on the bridge.
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No more than one vehicle on bridge at one time.
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Gross weight on the bridge shall not exceed 70 MLC.
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A senior crewman must inspect the bridge for signs of structural failure after each risk crossing
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Damaged parts must be replaced or repaired before traffic can resume.
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