Insurance policies are generally available in three tiers of coverage: High, Medium, and Low. This graphic compares the average monthly rates for these three insurance coverage levels as offered by each of the top providers in the state. The most expensive insurance provider in Bridgeport, CT for High levels of coverage is Liberty Mutual at $844 on average per month, and the least expensive provider is State Farm at $364. As for Medium levels of coverage, the most costly and the least expensive providers are Liberty Mutual and State Farm at $787 and $343, respectively. And, finally, for Low coverage, the insurance provider that charges the most on average is Liberty Mutual at $755, and the one that has the lowest average monthly premium is State Farm at $319.