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Sierra Boulevard Bridge

Sierra Boulevard Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 6, 2013


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Key Facts

Facility Carried / Feature Intersected
Sierra Boulevard Over Railroad (Union Pacific) and Roseville Street
Location
Roseville: Placer County, California: United States
Structure Type
Concrete Rainbow Through Arch, Fixed and Approach Spans: Concrete Slab, Fixed
Construction Date and Builder / Engineer
1929 By Builder/Contractor: Jenkins and Anderson and Engineer/Design: H. B. Hammill

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
87 Feet (26.52 Meters)
Structure Length
364 Feet (110.95 Meters)
Roadway Width
21.7 Feet (6.61 Meters)
Spans
1 Main Span(s) and 13 Approach Span(s)
NBI Number
19C0067

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge consists of a relatively small rainbow arch main span over a railroad line and a series of approach spans leading up to the main span. The approach spans are curved. From the south, the bridge roadway proceeds north and curves to the northeast over the bridge. The southern intersection is somewhat unusual since a parallel road (Lincoln Street) runs alongside the railroad tracks and this bridge is like  branch off of that road. Southbound traffic on Lincoln Street can make nearly a u-turn to get on the bridge. The bridge's rare rainbow arch main span is obviously the most significant element, however the unique curved approach system is also highly noteworthy. The curved design of this bridge led to an unusual restriction on the bridge. While the bridge does not have a posted weight limit, it does have a length limit posted, which is 35 feet. Weight and height restrictions are common on historic bridges, but this is an unusual example of a bridge with a length limit! This is to prevent long trucks from crossing the bridge where negotiating the curve of the bridge while staying in the narrow lane would not be feasible. Finally, this bridge is also noted for its remarkable lack of alteration, uncommon among busy urban bridges. It retains original builder plaque, railings, and even the lighting standards appear to be original which is very rare.

There also is modern lighting present next to the bridge that makes it appear as though this historic bridge is lit up at night for decorative purposes.

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Photos and Videos: Sierra Boulevard Bridge

Available Photo Galleries and Videos

Click on a thumbnail or gallery name below to visit that particular photo gallery. If videos are available, click on a video name to view and/or download that particular video.

 
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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. For the best visual immersion and full detail, or for use as a desktop background, this gallery presents the photos for this bridge in the original digital camera resolution.
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Bridge Photo-Documentation
Mobile Optimized Gallery
A collection of overview and detail photos. View the photos for this bridge in a reduced size which is useful for mobile/smartphone users, modem (dial-up) users, or those who do not wish to wait for the longer download times of the full-size photos. Alternatively, view this photo gallery using a popup slideshow viewer (great for mobile users) by clicking the link below.
Browse Gallery With Popup Viewer
View Video
CarCam: Northbound Crossing
Full Motion Video
Includes approach from southbound Lincoln Street. As the camera approaches the very sharp turn onto the bridge, also note the sharp turn a car makes onto northbound Lincoln Street. Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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