Haw. Code R. § 19-104-22 - Overweight permits
(a) The district
engineer may issue a permit for overloads, provided the following load
conditions are not exceeded:
(1) The actual
axle load imposed upon the pavement shall not exceed 48,000 pounds in the case
of a single axle or 84,000 pounds for a tandem axle. On structures the axle
load shall not exceed the allowable loads taken from the following table:
Maximum Allowable Loads--Pounds
Width of Axle--Feet (Tread Width) | Single Axle | Tandem Axle |
6 | 36,000 | 48,000 |
7 | 39,000 | 52,000 |
8 | 42,000 | 56,000 |
9 | 45,000 | 60,000 |
10 | 48,000 | 64,000 |
and the wheel load per tire shall not exceed 12,000 pounds.
(A) "Tread width" is the
distance between the centerlines of the two tires on the same axle. For dual
tires, it is the distance between the centers of the two sets of tires. For
multiple tires on the same axle, it is the distance between the centers of the
outer two tires on each end.
(B) A
single axle is a single continuous transverse shaft or split transverse shafts
connecting the wheels of a vehicle or a group of two or more transverse shafts
connecting the wheels of a vehicle which may be on separate vertical transverse
planes which are less than 42 inches apart.
(C) A tandem axle is a combination of two
consecutive single axles as defined above which are less than 6 feet but
greater than 42 inches apart.
(2) The allowable maximum gross weight for
overweight vehicles on bridges may be approximated by multiplying the legal
gross loads permissible under the Hawaii Revised Statutes, chapter
291, by the following constants:
(A) H15 Bridges 1.00
(B) H20 Bridges 1.35
(C) HS20 Bridges 1.60
(b) Applications for overload in
excess of those specified above shall be referred to the construction and
maintenance branch for further review, with the district engineer's comments
and recommendations. The design branch and the materials testing and research
branch shall assist in the review when requested.
(c) The overloaded vehicle shall not exceed
the speed indicated on the permit Generally, overloaded vehicles shall be
restricted to 5 miles per hour on structures.
(d) Stopping on any bridge is prohibited.
Also, no other vehicle, except passenger cars (unless specifically prohibited),
shall be permitted on structures at the same time as the overweight
vehicle.
(e) An overweight vehicle
shall be allowed to cross an existing state highway at locations approved by
the district engineer. However, if such move is expected to be made on a
repetitive and continuous basis, the owner of the vehicle shall construct, or
cause to construct, at his own expense, a structurally suitable crossing at
locations approved by the district engineer. Except for vehicle or combination
of vehicles used in agricultural operations as described in section 19-104-27,
a permit is required for movement of overweight vehicle across state
highways.
Notes
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