Stephen Johnson Field,
The Rock Island Bridge — Opinion of the Court
“ A maritime lien can only exist upon movable things engaged in navigation, or upon things which are the subjects of commerce on the high seas or navigable waters. It may arise with reference to vessels, steamers, and rafts, and upon goods and merchandise carried by them. But it cannot arise upon anything which is fixed and immovable, like a wharf, a bridge, or real estate of any kind. Though bridges and wharves may aid commerce by facilitating intercourse on land, or the discharge of cargoes, they are not in any sense the subjects of maritime lien. ”
