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US 29 over NORTHWEST BRANCH

Map

Coordinates:
+39.02991, -77.00608
39°01'48" N, 77°00'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 29 over NORTHWEST BRANCH
Structure number:100000150009010
Location:0.27 M S OF LOCKWOOD DR
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:47.9 ft. [14.6 m]
Total length:51.5 ft. [15.7 m]
Roadway width between curbs:84.0 ft. [25.6 m]
Deck width edge-to-edge:96.5 ft. [29.4 m]
Owner:State Highway Agency [01]
Year built:1920
Year reconstructed:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:66,300 [as of 2013]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Basically intolerable requiring high priority of corrrective action [3]
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]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:69.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$330,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2016FairFairSatisfactoryFair6630069.0
April 2014FairFairSatisfactoryFair6630069.0
April 2013FairFairSatisfactoryFair6046269.0
April 2012FairFairSatisfactoryFair6046269.0
April 2011FairFairSatisfactoryFair6046269.0
April 2010FairFairSatisfactoryFair6046269.0
May 2009FairFairSatisfactoryFair5955273.0
July 2007FairFairSatisfactoryFair6555073.0
April 2006FairFairSatisfactoryFair6555073.0
April 2004FairSatisfactorySatisfactoryFair6555074.0
April 2002FairSatisfactorySatisfactoryFair6112574.0
April 2000FairSatisfactorySatisfactoryFair6112574.0
August 1998FairSatisfactorySatisfactoryFair6112574.0
August 1995FairSatisfactorySatisfactoryFair5600074.0
August 1993FairSatisfactoryGoodFair5600074.0
August 1991FairSatisfactorySatisfactoryFair5600072.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.5401512611280
Steel Protective Coatingsq. ft.5,0963,2961,050600150
Deck
Reinforced Concrete Decksq. ft.3,17903,17720
Wearing Surfacessq. ft.1,75101,75100
Superstructure
Reinforced Concrete Archlinear ft.451416150
Substructure
Reinforced Concrete Abutmentlinear ft.2000130700
Joints
Compression Jointlinear ft.6206200
Bearings
Movable Bearingeach1201200
Steel Protective Coatingsq. ft.3300330
Fixed Bearingeach1201200
Steel Protective Coatingsq. ft.3300330
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.76552010
Reinforced Concrete Bridge Raillinear ft.84641910