Length of largest span: 160.1 ft.
Total length: 251.0 ft.
Deck width: 16.1 ft.
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+47.28111, -112.39083(decimal degrees) 47°16'52" N, 112°23'27" W (degrees°minutes'seconds")
Approximate UTM coordinates
USGS topographic map
BH 23071 (Bridgehunter.com ID)
Inspection (as of 09/2012)
Deck condition rating: Good(7 out of 9) Superstructure condition rating: Satisfactory(6 out of 9) Substructure condition rating: Very Good(8 out of 9) Appraisal: Functionally obsolete
Sufficiency rating: 32.8 (out of 100)
Average daily traffic (as of 2003)
May 4, 2013: New photo from Luke Harden
November 22, 2012: Updated by James Baughn: Assigned to new Pratt half-through truss category
July 22, 2008: New photos from James Baughn
HAER MT-23 - Dearborn River High Bridge, Spanning Dearborn River, Augusta vicinity, Lewis and Clark County, MT
James Baughn - webmaster [at] bridgehunter [dot] com