EntityQ653401· pop 9· linked from 745 articlestrestle bridgeSign in to savebridge of short spans supported by rigid framesConnectionsbascule bridgeEntityWalesEntityironEntityPennsylvaniaEntityUtahEntityIdahoEntityMontanaEntitybridgeEntityNew OrleansEntitysteelEntityGreat LakesEntityBuffaloEntityLake OntarioEntityLake ErieEntityreinforced concreteEntityGreat Salt LakeEntityisosceles triangleEntitysuspension bridgeEntityviaductEntitybeamEntityCategoriesBridges by structural typeTrestle bridges