N Adams Dr. over North Unit Main Canal


+44.72303, -121.13311
44°43'23" N, 121°07'59" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N Adams Dr. over North Unit Main Canal
Structure number:21151 000 00000
Location:1.01 mi N of Fir Lane
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:24.9 ft. [7.6 m]
Total length:24.9 ft. [7.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:County Highway Agency [02]
Year built:2003
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Main span material:Prestressed concrete [5]
Main span design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:101 [as of 2010]
Truck traffic:1% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018GoodVery GoodGoodVery Good10198.0
November 2016GoodVery GoodGoodVery Good10198.0
November 2014GoodVery GoodGoodVery Good10198.0
November 2012GoodVery GoodVery GoodVery Good10198.0
November 2010GoodVery GoodVery GoodVery Good10198.0
August 2009GoodVery GoodVery GoodVery Good10198.0
March 2009GoodVery GoodVery GoodVery Good101100.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Decksq. ft.700698200
Wearing Surfacessq. ft.700700000
Reinforced Concrete Abutmentlinear ft.5656000
Other Jointlinear ft.5605600
Elastomeric Bearingeach2828000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5049100
Steel Protective Coatingsq. ft.305304100