Grove street bridge in place with gravel ballest being fed by a complex, varriable conveyor system
Grove street bridge with both basic rail lines with new ties and ballast
Conveyor feeds more gravel to north end of Grove street bridge
Workers and machine distribute gravel and ties properly on Grove street bridge
Close view of complex machine to force gravel under rail ties while maintaining a level track on Grove street bridge
Rail derrick and tie & ballast leveler machines on Grove street bridge
Worker carefully measures level and track width for north tracks on Grove street bridge
Rail derrick moves rail while conveyor feeds more gravel at north end of Grove street bridge
Worker grinding sides of rails to ensure proper alignment just south of Grove street bridge