The gross weight permitted on bridges in the District of Columbia shall be the maximum axle weight allowed in § 2505 or the gross weight posted on a particular bridge, whichever is less.
No vehicle which exceeds the maximum weight restriction set forth in § 2505, including the load being carried by the vehicle, shall cross any bridge in the District of Columbia without the written permission of the Director.
D.C. Mun. Regs. tit. 18, r. 18-2510