Try the on line auction sites, do a web search, check gun shops, read Shotgun News, Gun List, etc..
Yes, the Bridge Gun Company did make several gauges of shotguns. However, these were not made by the Bridge Gun Company. It was actually made be a diffrent company and marketed under the Bridge Gun Company banner.
Bridge gun company
50-100 USD
Does not exist
The Bridge Gun co. shotguns were made by the Crescent Fire Arms Company. You can try for parts at: Numrich gunpartscorp.com Jack First jackfirstgun.com Bob's Gun Shop gun-parts.com
Bridge Gun Company never existed. It was a trade name used by Shapleigh Hardware of St Louis on guns made by Crescent, Harrington & Richardson, Stevens, and several Belgian gun makers. The last gun with this name was probably made about 50 years before there was an internet.
Bridge gun company 16 ga choke
Sold by Shapleigh Hardware in Missouri. Probably made by Stevens, although other companies also made Bridge Gun Co guns.
old company made a lot lot of shot guns, including the 410 black prince
Bridge Gun Company and Bridge Gun Works were trade names owned by Shapleigh Hardware Co of St Louis. The guns were made in Belgium by H. Pieper and Anciens Etablissment Pieper and in the US by Crescent, Stevens, and Harrington & Richardson. There's a good chance that a single shot would be a Stevens Model 94.
BRIDGE GUN COMPANY Tradename used by Shapleigh Hardware of St. Louis, Missouri on shotguns made by Crescent Fire Arms Company c. 1893-1930.
Not very precisely. Bridge Gun Co was a trade name distributed by Shapleigh Hardware of St Louis. Single shots marked "Black Prince Bridge Gun Co" were made by Crescent Fire Arms (1893-1930), J. Stevens Arms & Tool Co (1886-1915), and Harrington & Richardson Arms Co (1872-1985). Double barrel guns with outside hammers marked "Bridge Gun Co. Black Prince Armory Steel Belgium" were made by Anciens Etablissment Pieper in Leige, Belgium (1905-1957), and hammerless doubles marked Bridge Black Prince were made by Crescent Fire Arms and J. Stevens Arms (1920-c.1948). If you can find that your gun was made by Stevens, the Stevens historian may be able to find an approximate date of manufacture.