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STATE ROUTE 271 over BIG DANN CREEK

Mendocino County, California

Map

Coordinates:
+39.84690, -123.69559
39°50'49" N, 123°41'44" W

View more info at Bridgehunter.com

Facts

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

Name:	STATE ROUTE 271 over BIG DANN CREEK
Structure number:	10 0030
Location:	01-MEN-271-4.92
Purpose:	Carries highway over waterway
Route classification:	Minor Collector (Rural) `[08]`
Length of largest span:	319.9 ft. `[97.5 m]`
Total length:	585.0 ft. `[178.3 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	27.6 ft. `[8.4 m]`
Owner:	State Highway Agency `[01]`
Year built:	1933
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 13.5 / H 15 `[2]`
Main span material:	Concrete `[1]`
Main span design:	Arch - Deck `[11]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	150 `[as of 2009]`
Truck traffic:	6% 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:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Scour condition:	Bridge foundations (including piles) on dry land well above flood water elevations. `[9]`
Sufficiency rating:	67.8

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2018	Fair	Good	Fair	Good	150	67.8
April 2016	Good	Good	Good	Good	150	79.0
April 2014	Fair	Satisfactory	Satisfactory	Fair	150	67.8
April 2012	Fair	Satisfactory	Fair	Fair	150	67.8
August 2010	Fair	Satisfactory	Fair	Fair	90	74.1
May 2008	Fair	Fair	Fair	Fair	90	71.9
May 2006	Fair	Fair	Fair	Fair	90	73.9
October 2004	Fair	Fair	Fair	Fair	90	71.9
April 2002	Fair	Satisfactory	Fair	Satisfactory	410	57.2
June 2000	Fair	Satisfactory	Fair	Satisfactory	410	57.2
April 1998	Fair	Satisfactory	Fair	Satisfactory	410	59.2
January 1996	Fair	Fair	Fair	Fair	400	57.2
December 1993	Fair	Fair	Fair	Fair	400	57.2
July 1990	Fair	Fair	Fair	Fair	400	57.2

© 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/1040255