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North Main Street Bridge

Los Angeles County, California

Photos 

Main Street Bridge looking North West

View form Spring Stret

http://www.youtube.com/user/bridgesoflosangeles

Enlarge

BH Photo #113998

Map 

Street Views 

Description 

http://boe.lacity.org/uprs/report/ProjectInfoReport.cfm?k=13...

Facts 

Overview
Concrete arch bridge over Los Angeles River on N Main Street in Los Angeles
Location
Los Angeles, Los Angeles County, California
Status
Open to traffic
Future prospects
A major seismic and architectural upgrade has begun. This project provides for the seismic retrofit of the North Main Street Bridge to meet the latest California Department of Transportation (Caltrans) seismic requirements. Construction activities will include replacing portions of deck in order to access the arch ribs for retrofitting, retrofitting the arch ribs by providing a thin concrete jacket around the entire arch ribs, and providing transverse in-fill walls between the shortest spandrel walls that support the bridge deck. This is a seismic retrofit project only, and will not include any widening. The original bridge railings, ornamental lamp posts, sidewalks and crown hinge keystones will also be restored in accordance with the original As- Built 1910 design plans as a mitigation measure per the environmental documents.

This project was awarded by the Board of Public Works on December 9, 2009 to T.T. Polich and Associates in the amount of $5,726,248.20.

The Notice to Proceed will be issued on February 8, 2010, however physical construction is not expected to begin until July 2010. The construction duration is approximately 2 years.

History
Built 1910
Builders
- Carl Leonardt
- H.G. Parker
- T. T. Polich & Associates (2010 Upgrade Contractor)
Design
Open-spandrel concrete arch
Dimensions
Length of largest span: 97.1 ft.
Total length: 299.9 ft.
Deck width: 56.1 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+34.06667, -118.22333   (decimal degrees)
34°04'00" N, 118°13'24" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/387112/3770223 (zone/easting/northing)
Quadrangle map:
Los Angeles
Average daily traffic (as of 2003)
30,000
Inventory numbers
CA 53C-1010 (California bridge number)
BH 11019 (Bridgehunter.com ID)
Inspection report (as of May 2017)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 81.7 (out of 100)
View more at BridgeReports.com

Categories 

Arch (11,634)
Built 1910 (1,112)
Built during 1910s (9,383)
California (2,329)
Carl Leonardt (1)
Deck arch (10,878)
H.G. Parker (1)
Have street view (25,851)
Los Angeles County, California (369)
Los Angeles River (60)
 Los Angeles, California (149)
NR-eligible (4,021)
Open (38,693)
Open-spandrel arch (717)
Owned by city (5,011)
Preserved (1,141)
Skewed (4,823)
Span length 75-100 feet (6,250)
T. T. Polich & Associates (1)
Total length 250-500 feet (5,002)

Update Log 

  • September 5, 2014: New photos from Royce and Bobette Haley
  • August 26, 2011: New photo from David Kimbrough
  • January 4, 2011: New Street View added by David Kimbrough
  • December 2, 2010: New photos from David Kimbrough
  • November 26, 2010: New photo from David Kimbrough
  • November 24, 2010: New photo from David Kimbrough
  • November 23, 2010: New photo from David Kimbrough
  • February 11, 2010: Updated by David Kimbrough: CIty plans
  • January 3, 2009: New photo from David Kimbrough
  • January 2, 2009: New photo from David Kimbrough
  • October 30, 2008: New photo from David Kimbrough
  • June 6, 2008: Updated by David Kimbrough
  • May 10, 2008: New photos from David Kimbrough

Sources 

  • David Kimbrough - kimbrough-photo [at] charter [dot] net
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com

Comments 

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