Eastern Idaho Railroad

Reporting mark: EIRR
EIRR - Lorenzo Bridge (Madison County, Idaho)
Warren through truss with all verticals bridge over Snake River on Eastern Idaho Railroad (EIRR)
Open to traffic

EIRR - Ririe Bridge (A) (Jefferson County, Idaho)
Built 1894 as five-span bridge at Nyssa, Oregon; two-spans relocated here 1914
Two-span Pegram through truss bridge over Snake River on the Eastern Idaho Railroad - East Belt Branch
Open to traffic

EIRR - Ririe Bridge (B) (Jefferson County, Idaho)
Built 1894 as five-span bridge at Nyssa, Oregon; one span relocated here 1914
Pegram through truss bridge over Snake River Flood Channel on the Eastern Idaho Railroad - East Belt Branch
Open to Traffic

EIRR - Snake River Bridge (Cassia County, Idaho)
Built Ca. 1890
Whipple through truss bridge over Snake River on Eastern Idaho Railroad (EIRR)
Open to traffic

EIRR - St. Anthony Pegram Truss Bridge (Fremont County, Idaho)
Built 1896; relocated here 1914
Two-span Pegram through truss bridge over Henry's Fork Snake River on the Eastern Idaho Railroad (EIRR)
Open to traffic