SR 4009 Loudon rd. over WILSON RUN


+39.95302, -77.76314
39°57'11" N, 77°45'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 4009 Loudon rd. over WILSON RUN
Structure number:000000000040421
Old structure number:284009006011820 (from 1992 edition)
Location:3 MI. NE OF ST. THOMAS
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:51.8 ft. [15.8 m]
Total length:54.1 ft. [16.5 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:31.5 ft. [9.6 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1999
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:Box Beam or girders - Single or Spread [06]
Deck type:Not applicable [N]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:773 [as of 2016]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:91.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2016GoodGoodGoodGood77391.1
April 2014GoodGoodGoodGood77191.1
April 2012GoodGoodGoodGood72498.6
April 2010GoodVery GoodGoodGood70598.6
April 2008GoodVery GoodGoodGood70598.6
April 2006GoodVery GoodGoodGood70198.6
April 2004GoodVery GoodVery GoodVery Good68498.6
August 2002GoodVery GoodVery GoodVery Good70198.6
July 2000GoodVery GoodVery GoodVery Good68998.6
March 1999GoodExcellentExcellentExcellent67298.6
June 1996FairSatisfactory--64224.7
March 1996FairSatisfactorySatisfactorySatisfactory62885.6
March 1994FairSatisfactorySatisfactorySatisfactory60183.9
March 1992FairSatisfactorySatisfactorySatisfactory58883.9
June 1991FairExcellentSatisfactorySatisfactory56583.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.208208000
Reinforced Concrete Decksq. ft.1,70901,70900
Reinforced Concrete Abutmentlinear ft.10398500
Elastomeric Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.108108000