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RED WILLOW RD over WEST BRANCH ALAMO CREEK

Contra Costa County, California

Map

Coordinates:
+37.78739, -121.92401
37°47'15" N, 121°55'26" W

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Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	RED WILLOW RD over WEST BRANCH ALAMO CREEK
Structure number:	28C0452
Location:	0.1 MI SE DOUGHERTY RD
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Local (Urban) `[19]`
Length of largest span:	40.0 ft. `[12.2 m]`
Total length:	120.1 ft. `[36.6 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	31.2 ft. `[9.5 m]`
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1990
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Wood or timber `[7]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	700 `[as of 2011]`
Truck traffic:	1% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	60.4

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2018	Fair	Good	Fair	Good	700	60.4
June 2016	Good	Very Good	Good	Very Good	700	72.8
June 2014	Fair	Satisfactory	Good	Good	700	71.7
June 2012	Fair	Satisfactory	Good	Good	700	71.7
June 2010	Fair	Satisfactory	Good	Good	50	90.5
June 2006	Fair	Satisfactory	Good	Good	50	90.5
January 2004	Fair	Satisfactory	Good	Good	50	90.5
December 2001	Good	Good	Good	Good	50	90.5
March 2000	Good	Good	Good	Good	50	90.5
February 1996	Good	Good	Very Good	Very Good	50	90.6
February 1994	Good	Good	Very Good	Very Good	50	90.6
February 1992	Good	Good	Very Good	Very Good	50	90.6

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1045365