Davidson v. New Orleans was a United States Supreme Court case that dealt with the issue of whether a city could be held liable for damages caused by a defective street. The case arose when a man named Davidson was injured while riding a horse-drawn carriage on a street in New Orleans. The street was in a state of disrepair, and Davidson argued that the city was liable for his injuries because it had failed to maintain the street. The Supreme Court held that the city was liable for Davidson's injuries. The Court reasoned that the city had a duty to maintain the streets in a safe condition, and that it had breached this duty by failing to do so. The Court also held that the city was liable for the damages caused by the defective street, even though it had not been negligent in its maintenance. This ruling established that cities can be held liable for damages caused by defective streets, even if they were not negligent in their maintenance.

In Davidson v. New Orleans, the Supreme Court was asked to decide whether a state law that prohibited African Americans from entering into contracts with white persons was constitutional. The majority opinion held that the law violated the Fourteenth Amendment and thus struck it down as unconstitutional. However, Justice Field dissented from this decision on two grounds: first, he argued that Congress had no power under Section 5 of the Fourteenth Amendment to pass laws regulating private contracts; second, he argued that even if Congress did have such authority under Section 5 of the Fourteenth Amendment, then any regulation must be reasonable in order to be valid and this particular law failed to meet this standard because it imposed an absolute prohibition on all interracial contracts without regard for their purpose or terms. Thus Justice Field concluded that while there may have been some merit in striking down certain types of discriminatory contract regulations based upon race or color alone, this particular case should not have been decided by invalidating an entire class of contractual arrangements between individuals regardless of their circumstances or intentions.