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GWMP (NB) over BOUNDARY CHANNEL

Map 

Coordinates:
+38.88947, -77.06456
38°53'22" N, 77°03'52" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2015 

Status:Open, no restriction [A]
Average daily traffic:19,800 [as of 2007]
Truck traffic:1% of total traffic
Deck condition:Good [7 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 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 the assessed or calculated scour condition. [8]
Operating rating:52.8 tons [48.0 metric tons]
Inventory rating:31.9 tons [29.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:72.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201572.8Functionally obsoleteGoodGoodSatisfactory19800
September 201372.8Functionally obsoleteGoodGoodSatisfactory19800
April 201172.8Functionally obsoleteGoodGoodSatisfactory19800
April 200972.8Functionally obsoleteGoodVery GoodSatisfactory19800
June 200772.8Functionally obsoleteGoodSatisfactorySatisfactory19800
May 200572.8Functionally obsoleteGoodSatisfactorySatisfactory19800
July 200372.8Functionally obsoleteGoodSatisfactorySatisfactory19800
September 200172.8Functionally obsoleteGoodSatisfactorySatisfactory19800
May 199971.8Functionally obsoleteGoodSatisfactorySatisfactory19800