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GWMP (NB) over BOUNDARY CHANNEL

Map

Coordinates:
+38.88947, -77.06456
38°53'22" N, 77°03'52" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:GWMP (NB) over BOUNDARY CHANNEL
Structure number:3300013P0000000
Location:1.7 MILES NORTH OF I-395.
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:117.5 ft. [35.8 m]
Total length:117.5 ft. [35.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:38.1 ft. [11.6 m]
Skew angle:14°
Owner:National Park Service [66]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,800 [as of 2007]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:75.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairSatisfactoryGoodSatisfactory1980075.0
April 2015FairGoodGoodSatisfactory1980072.8
September 2013FairGoodGoodSatisfactory1980072.8
April 2011FairGoodGoodSatisfactory1980072.8
April 2009FairGoodVery GoodSatisfactory1980072.8
June 2007FairGoodSatisfactorySatisfactory1980072.8
May 2005FairGoodSatisfactorySatisfactory1980072.8
July 2003FairGoodSatisfactorySatisfactory1980072.8
September 2001FairGoodSatisfactorySatisfactory1980072.8
May 1999FairGoodSatisfactorySatisfactory1980071.8