AFE 25224, Troy, Montana, 1923. Replace 177' Timber Trestle Approaches to 42' T.P.G. Span, Total Length 159', Height 18', with One 70' T.P.G. and Two 20' I-Beam Spans on Concrete Substructure and Old Concrete Abutment, Shifting 42' Span E of 70' Span Making New Bridge 152' Long and Filling E End of Bridge. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $23000. Series II. Lines West. Kalispell Division. Other Subject Categories: Structures, Bridges
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LC Name Authority: https://lccn.loc.gov/n81108642