1. No person may drive any vehicle equipped with solid rubber tires at a speed greater than a maximum of ten miles [16.09 kilometers] per hour. 2. No person may drive a vehicle over any bridge or other elevated structure constituting a part of a highway at a speed which is greater than the maximum speed which can be maintained without hazard to such bridge or structure, when such structure is signposted as provided in this section. 3. The director or other authority having jurisdiction may conduct an investigation of any public bridge, causeway, or viaduct and if the director finds that such structure cannot safely withstand the traveling of vehicles at the speed otherwise permissible under this chapter, such director or other authority shall determine and declare the maximum speed of vehicles such structure can withstand. The director or other authority shall cause or permit signs to be erected and maintained at a distance of one hundred feet [30.48 meters] from each end of such structure. Such signs must state the maximum speed permissible over such structure. The findings and determination of the director or other authority are conclusive evidence of the maximum speed which can be maintained without hazard to any such structure.
39-09-05. Driving vehicle upon bridge, causeway, or viaduct at greater than maximum speed prohibited. Repealed by S.L. 1975, ch. 348, § 17.
39-09-06. Speed limitations inapplicable to whom - Liability of exempt driver for reckless driving. The speed limitations provided for in this chapter do not apply to class A authorized emergency vehicles. The exemptions provided for in this section do not protect the driver of any such vehicle from the consequences of a reckless disregard of the safety of others.