Nine Mile Slide Bridge

Photo

Ninemile Slide Bridge

View from the south

Photo taken by David Jones in April 2017

BH Photo #386053

Overview: Timber stringer bridge over Nine Mile Slide on I-90 Frontage Road
Location: Missoula County, Montana
Status: Open to traffic
History: Built 1947
Design: Timber stringer
Dimensions: Length of largest span: 26.9 ft.
Total length: 379.9 ft.
Deck width: 27.9 ft.
Approximate latitude, longitude: +47.02613, -114.38220 (decimal degrees)
47°01'34" N, 114°22'56" W (degrees°minutes'seconds")
Approximate UTM coordinates: 11/698918/5211393 (zone/easting/northing)
Quadrangle map:: Alberton
Average daily traffic (as of 2016): 158
Inventory number: BH 74598 (Bridgehunter.com ID)
Inspection report (as of May 2017): Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 84.1 (out of 100)
View more at BridgeReports.com