SR 16 (CNTY RD 18) over INTERSTATE 5


+38.71837, -121.80057
38°43'06" N, 121°48'02" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 16 (CNTY RD 18) over INTERSTATE 5
Structure number:22 0151
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:113.5 ft. [34.6 m]
Total length:217.9 ft. [66.4 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:13°
Owner:State Highway Agency [01]
Year built:1973
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,800 [as of 2017]
Truck traffic:13% 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:Equal to present minimum criteria [6]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairGoodFairGood480083.7
March 2015FairVery GoodSatisfactoryVery Good480094.9
March 2013FairFairGoodGood530092.7
March 2011FairFairGoodGood790092.1
April 2009FairFairGoodGood790092.1
March 2007FairFairGoodGood790095.1
April 2005FairFairGoodGood790095.1
March 2003FairSatisfactoryGoodGood330098.2
April 2001FairSatisfactoryGoodGood330098.2
February 1997GoodGoodGoodGood330099.2
December 1994GoodVery GoodVery GoodVery Good330099.3
September 1993GoodVery GoodVery GoodVery Good320099.3
February 1990GoodVery GoodVery GoodVery Good320099.3