SR 16 (CNTY RD 18) over INTERSTATE 5


+38.71861, -121.80028
38°43'07" N, 121°48'01" 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:112.9 ft. [34.4 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:15.7 ft. [4.8 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,800 [as of 2015]
Truck traffic:21% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Operating rating:109.8 tons [99.8 metric tons]
Inventory rating:73.8 tons [67.1 metric tons]
Sufficiency rating:94.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201594.9FairVery GoodSatisfactoryVery Good-4800
March 201392.7FairFairGoodGood-5300
March 201192.1FairFairGoodGood-7900
April 200992.1FairFairGoodGood-7900
March 200795.1FairFairGoodGood-7900
April 200595.1FairFairGoodGood-7900
March 200398.2FairSatisfactoryGoodGood-3300
April 200198.2FairSatisfactoryGoodGood-3300
February 199799.2GoodGoodGoodGood-3300
December 199499.3GoodVery GoodVery GoodVery Good-3300
September 199399.3GoodVery GoodVery GoodVery Good-3200
February 199099.3GoodVery GoodVery GoodVery Good-3200