1, advertising restrictions: some regions or regulations have restrictions on bridge advertising. There are government regulations or laws and regulations prohibiting or restricting advertisements that directly display commercial brands on the bridge.
2. Aesthetic considerations: Bridges are usually used to support infrastructure such as wires and cables, mainly for providing power and communication services. In order to maintain the beauty of the city and avoid visual pollution, the addition of trademarks or signs on the bridge will be restricted.
3. Safety factors: Bridges need to meet strict architectural and structural standards to ensure their safety and stability. "logo" is an English abbreviation called "logotype". Its original meaning refers to the logo, trademark or logo of a company, brand or organization.