+33.56265, -82.10524
33°33'46" N, 82°06'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 28 over JONES CREEK
Structure number:000000007300020
Location:3.6 MI NW OF MARTINEZ
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:9.8 ft. [3.0 m]
Total length:21.0 ft. [6.4 m]
Owner:State Highway Agency [01]
Year built:1935
Year reconstructed:1950
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,480 [as of 2012]
Truck traffic:3% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:89.9
Estimated cost of work:$123,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
June 2017Fair6 out of 101248089.9
June 2015Fair6 out of 101248089.9
June 2013Fair6 out of 101248089.9
July 2011Fair6 out of 101199090.0
July 2009Fair6 out of 101158090.1
June 2007Fair6 out of 101188090.1
June 2005Fair6 out of 10982090.5
July 2003Fair6 out of 10880090.7
July 2001Fair6 out of 10830090.8
August 1999Fair6 out of 10710091.0
July 1997Fair6 out of 10700089.1
August 1995Fair6 out of 10500089.3
December 1993Fair6 out of 10390089.5
March 1992Good7 out of 10390089.5
September 1990Good8 out of 10303089.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.86464000