Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
329 mile post looking west - Public domain scan / drawing
Drawing shows a boundary marker post that reads "45 N.C. 1880." Beyond it, slightly uphill is a tent, "Ast. Sta.," and to the right Gedney points out the "Banks of the Little Mo. R." Gedney participated in the ... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3....
Significance: The McCammon Bridge is the longest of the concrete tee-beam bridges built in Idaho between 1915 and 1945. It crosses the Portneaf River and the Union Pacific Railroad tracks. The bridge was orig... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More