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Mill City Bridge

Mill City Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: September 2, 2018

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Facility Carried / Feature Intersected
1st Avenue (OR-22 Connector) Over Santiam River
Location
Mill City: Linn County, Oregon and Marion County, Oregon: United States
Structure Type
Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Concrete T-Beam, Fixed
Construction Date and Builder / Engineer
1934 By Builder/Contractor: Unknown
Rehabilitation Date
1960
Main Span Length
200.0 Feet (61 Meters)
Structure Length
362.0 Feet (110.3 Meters)
Roadway Width
23.3 Feet (7.1 Meters)
Spans
1 Main Span(s) and 5 Approach Span(s)
Inventory Number
2058

Historic Significance Rating (HSR)
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Bridge Documentation

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

This is an unaltered and outstanding representative example of a 1930s standard riveted through truss bridge in Oregon. Many state highway departments across the country developed their own designs for riveted through truss bridges (most examples date from the 1920s to the early 1940s). Much like the unique designs of bridge builders in the late 1800s, each state came up with its own unique design of truss bridge in the 20th century. Oregon's design here is a rather attractive example, with its curved portal bracing and sway bracing, Oregon's signature standard concrete railings, and the graceful Parker truss configuration. This bridge appears to be unaltered and is a good representative example of Oregon's take on medium-span through truss bridge design in the 20th century.

This bridge is next to the rare Phoenix column railroad truss bridge.

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Photo Galleries and Videos: Mill City Bridge

 

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Maps and Links: Mill City Bridge

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

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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