Historic Bridges of the U.S. | Greycliff Bridge

Overview

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Photos

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Profile, Facing Northwest

Photo taken by Historic American Engineering Record

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3/4 View, Facing Southwest

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Northeast Portal, Facing Southwest

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Southwest Portal, Facing Northeast

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View Between Trusses, Facing Southwest

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Detail Of Pin-Connection At Upper Chord, Facing North

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Detail Of Pin-Connection At Lower Chord, Facing West

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Detail Of Fixed End Of Truss At Abutment, Facing North

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Floor System, Facing West

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Detail Of Floor System, Facing South

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Map

Vicinity map

Map links:

Facts

Overview: Lost two-span through truss bridge over Yellowstone River on CR 001
Location: Sweet Grass County, Montana
Status: Replaced by new bridge
History: Built 1911 by the Security Bridge Co.; relocated here 1918; replaced 1991
Builder: - Security Bridge Co.
Design: Two pin-connected, 8-panel Camelback through trusses
Dimensions: Length of largest span: 170 ft.
Total length: 340 ft.
Deck width: 15 ft.
Vertical clearance above deck: 11.1 ft.
Approximate latitude, longitude: +45.76000, -109.77000 (decimal degrees)
45°45'36" N, 109°46'12" W (degrees°minutes'seconds")
Approximate UTM coordinates: 12/595652/5068118 (zone/easting/northing)
USGS topographic map: Greycliff
Inventory number: BH 37029 (Bridgehunter.com ID)
Inspection (as of 08/2006): Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 97.7 (out of 100)
Average daily traffic (as of 2001): 100

Update Log

August 2, 2008: Added by James Baughn

Sources

HAER MT-62 - Greycliff Bridge, Spanning Yellowstone River, 1/2 mile East Greyclif, Greycliff vicinity, Sweet Grass County, MT
James Baughn - webmaster [at] bridgehunter [dot] com

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