George H. Pegram

Cold Springs Pegram Truss Railroad Bridge

George Herndon Pegram (1855 - 1937), most commonly known as George H. Pegram, was an engineer who patented the Pegram truss.^[1]

He was born in Council Bluffs, Iowa in 1855. He completed a civil engineering degree at Washington University, St. Louis in 1877. He died in Brooklyn, New York, in 1937.^[1]

A number of Pegram truss bridges are listed on the U.S. National Register of Historic Places.^[2]

Examples include:

• Cold Springs Pegram Truss Railroad Bridge, built 1894, over the Big Wood River, 0.5 mi. S of jct. of US 93 and ID 367, Ketchum, ID, NRHP-listed
• Conant Creek Pegram Truss Railroad Bridge, over the Conant Creek. 1 mi. S of jct. of Squirrel Rd. and Old Ashton-Victor RR spur tracks Grainville, ID, NRHP-listed
• Gimlet Pegram Truss Railroad Bridge, over the Big Wood River, 0.5 mi. S of jct. of US 93 and E. Fork Wood River Rd., Ketchum, ID, NRHP-listed
• Grace Pegram Truss Railroad Bridge, over the Bear R. 0.5 mi. NNW of jct. of ID 34 and Turner Rd. Grace, ID, NRHP-listed
• Ririe A Pegram Truss Railroad Bridge, over the Snake R. 1 mi. NNE of jct. of Heise Rd. and East Belt Branch RR tracks Ririe, ID, NRHP-listed
• Ririe B Pegram Truss Railroad Bridge, over the Snake R. flood channel, 0.5 mi. NNE of jct. of Heise Rd. and East Belt Branch RR tracks Ririe, ID, NRHP-listed
• St. Anthony Pegram Truss Railroad Bridge, over Henry's Fork. 0.5 mi. S of jct. of S. Parker Rd. and West Belt Branch RR tracks St. Anthony, ID, NRHP-listed

References