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SOUTHWEST FREEWAY over WASH CHANNEL & MAINE

Map

Coordinates:
+38.87999, -77.03161
38°52'48" N, 77°01'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SOUTHWEST FREEWAY over WASH CHANNEL & MAINE
Structure number:1113
Location:SW FRWY & WASH CHANNE
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:116.1 ft. [35.4 m]
Total length:1578.2 ft. [481.0 m]
Roadway width between curbs:99.4 ft. [30.3 m]
Deck width edge-to-edge:122.4 ft. [37.3 m]
Vertical clearance below bridge:42.7 ft. [13.0 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:1995
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:12
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:150,600 [as of 2007]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:75.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2016FairSatisfactorySatisfactorySatisfactory15060075.1
January 2014FairSatisfactorySatisfactorySatisfactory15060077.1
December 2013FairSatisfactorySatisfactorySatisfactory15060075.1
December 2011FairSatisfactorySatisfactoryGood15060077.1
December 2009FairSatisfactorySatisfactoryGood15060081.0
December 2007FairSatisfactorySatisfactoryGood16500081.0
January 2005FairGoodSatisfactoryGood16500081.0
July 2002GoodGoodVery GoodGood16500081.0
August 2000GoodGoodVery GoodGood16500081.0
February 1998FairGoodFairGood16500069.0
January 1998GoodGoodVery GoodGood16500081.0
September 1995FairGoodFairGood16500070.0
April 1991PoorSeriousFairFair16500064.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.20,30818,9181,364260
Steel Protective Coatingsq. ft.294,234281,25012,40056420
Prestressed Concrete Girder/Beamlinear ft.4,7484,474252202
Deck
Reinforced Concrete Decksq. ft.179,189179,02416320
Superstructure
Steel Floor Beamlinear ft.1,1285632393260
Steel Protective Coatingsq. ft.11,60010,2401,1720188
Steel Pin or Pin & Hangar Assemblyeach7707700
Steel Protective Coatingsq. ft.30822044440
Substructure
Reinforced Concrete Columneach3030000
Reinforced Concrete Pier Walllinear ft.1,0351,030410
Reinforced Concrete Abutmentlinear ft.24618128370
Reinforced Concrete Pier Caplinear ft.1,2781,15974450
Joints
Strip Seal Jointlinear ft.1,00001,00000
Pourable Jointlinear ft.665665000
Compression Jointlinear ft.6883422260120
Bearings
Elastomeric Bearingeach188018800
Movable Bearingeach7106740
Steel Protective Coatingsq. ft.426021314271
Fixed Bearingeach2402400
Steel Protective Coatingsq. ft.1440123147
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2,2122,1966100
Reinforced Concrete Bridge Raillinear ft.5,8485,82411130
Concrete Protective Coatingsq. ft.44,83426,9148,9604,4804,480