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Moyie Bridge

Moyie River Canyon Bridge

Moyie Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 22, 2014

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Facility Carried / Feature Intersected
US-2 Over Moyie River
Location
Moyie Springs: Boundary County, Idaho: United States
Structure Type
Metal Continuous Bolt-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Construction Date and Builder / Engineer
1965 By Builder/Contractor: Northern Imperial Construction Company of Portland, Oregon
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
378.0 Feet (115.2 Meters)
Structure Length
1,222.0 Feet (372.5 Meters)
Roadway Width
28 Feet (8.53 Meters)
Spans
3 Main Span(s) and 3 Approach Span(s)
Inventory Number
10035

Historic Significance Rating (HSR)
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Bridge Documentation

Additional Information: A period news article indicated that on September 1962, Northern Imperial Construction Company of Portland reported a delay of 3-4 days after a 120 foot construction tower collapsed with no injuries to workers.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

View An FHWA Article About This Bridge

This is a large and extremely high deck truss bridge. It is in fact among the highest in Idaho and beyond with a maximum height of 464 feet or 424 feet (depending on what source you use) as it passes over the Moyie River Canyon. Built in 1965, it was built at the end of the riveting era. It has built-up beams that are not riveted but instead welded... something that makes the bridge look about 10 years newer, more like a 1970s bridge. The connections are bolted. There do appear to be a few rivets on the bracing connections, but that is the extent of rivets on this bridge. Given its late construction date, its historic significance is limited, however its height, length, and continuous configuration combined with the rarity of trusses of any kind in this region give the bridge some level of significance. The bridge is a local attraction because of the views of the canyon that can be seen from the bridge.

The bridge is difficult to photograph and due to time restraints, HistoricBridges.org only has a few photos of this bridge.

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Photo Galleries and Videos: Moyie Bridge

 

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Maps and Links: Moyie Bridge

Coordinates (Latitude, Longitude):

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Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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