Pulga Bridges, Railway and road bridges in Butte County, California.
The Pulga Bridges consist of a steel arch highway bridge carrying State Route 70 and a three-span through-truss railroad bridge crossing the North Fork Feather River.
Western Pacific Railroad completed the railway bridge in 1909, while the highway bridge was constructed in 1932 to support the development of State Route 70.
The bridges form part of the Feather River Scenic Byway, a 130-mile route that winds through the Sierra Nevada mountains and attracts railroad enthusiasts.
The railway bridge maintains a 1.0 percent grade, establishing the most gradual railroad route across the Sierra Nevada mountain range toward Beckwourth Pass.
The highway bridge spans 350 feet and rises 170 feet above the railway bridge, featuring reverse horizontal curves and a twisting superelevation in its deck design.
Location: California
GPS coordinates: 39.79460,-121.45200
Latest update: September 23, 2025 16:45
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