Lee Highway WBL over N Fork Thornton River


+38.66414, -78.21782
38°39'51" N, 78°13'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Lee Highway WBL over N Fork Thornton River
Structure number:000000000014633
Location:.18 Fr 612 & .16 To 1003
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:37.1 ft. [11.3 m]
Total length:98.1 ft. [29.9 m]
Roadway width between curbs:38.7 ft. [11.8 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1930
Year reconstructed:1983
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Poor
Status:Bridge closed to all traffic [K]
Average daily traffic:2,238 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:57.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$81,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018PoorFairPoorSatisfactory223857.8
September 2017PoorFairPoorSatisfactory223857.8
September 2016PoorFairPoorSatisfactory223857.8
September 2015PoorFairPoorSatisfactory223855.8
September 2014PoorFairPoorSatisfactory247254.5
September 2013PoorFairPoorSatisfactory247254.5
September 2012PoorFairPoorSatisfactory247254.5
September 2011PoorFairPoorGood247256.5
September 2009FairFairFairGood247275.7
September 2007FairSatisfactorySatisfactoryGood233989.9
September 2005FairGoodSatisfactoryGood273588.3
September 2003FairGoodSatisfactoryGood265988.6
September 2001GoodGoodGoodGood241289.6
September 1999GoodGoodGoodGood311184.7
September 1997GoodVery GoodVery GoodGood255087.0
September 1995GoodVery GoodVery GoodGood235087.8
October 1993GoodVery GoodVery GoodVery Good570083.5
September 1991GoodVery GoodVery GoodVery Good609083.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.1,3721,1793414217
Prestressed Concrete Top Flangesq. ft.4,1164,116000
Wearing Surfacessq. ft.4,1164,116000
Reinforced Concrete Pier Walllinear ft.1281181000
Reinforced Concrete Abutmentlinear ft.128646400
Reinforced Concrete Pile Cap/Footinglinear ft.6464000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1961851100