I-66 over LITTLE RIVER & G.W.P


+38.90577, -77.06224
38°54'21" N, 77°03'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-66 over LITTLE RIVER & G.W.P
Structure number:1200(LITTLE R.)
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:141.1 ft. [43.0 m]
Total length:1068.6 ft. [325.7 m]
Roadway width between curbs:80.1 ft. [24.4 m]
Deck width edge-to-edge:90.9 ft. [27.7 m]
Vertical clearance above deck:18.4 ft. [5.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
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:8
Main spans material:Steel continuous [4]
Main spans 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: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:103,600 [as of 2007]
Truck traffic:1% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:63.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$12,500,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairFairFairSatisfactory10360063.0
January 2017FairFairFairSatisfactory10360063.0
March 2015FairFairFairSatisfactory10360063.0
December 2014FairFairFairSatisfactory10360063.0
December 2012FairFairFairGood10360063.0
October 2010PoorPoorFairGood10360061.0
March 2008FairFairFairGood10360063.0
July 2004FairFairSatisfactoryGood8900073.0
May 1999FairFairGoodGood8900073.0
March 1997FairFairGoodGood8900073.0
August 1993FairFairGoodGood8900073.0
March 1991FairFairGoodGood8900073.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.7,06607,046200
Steel Protective Coatingsq. ft.127,15567,09428,26421,19810,599
Steel Stringerlinear ft.9,69009,676140
Reinforced Concrete Decksq. ft.103,892100,1763,0606560
Wearing Surfacessq. ft.97,633097,63300
Steel Floor Beamlinear ft.3,64003,4661740
Steel Protective Coatingsq. ft.34,928024,0087,2803,640
Steel Pin or Pin & Hangar Assemblyeach80530
Steel Protective Coatingsq. ft.16480212241
Reinforced Concrete Columneach2120010
Reinforced Concrete Pier Walllinear ft.5004455500
Reinforced Concrete Abutmentlinear ft.18865107160
Compression Jointlinear ft.29602611520
Assembly without Seal Jointlinear ft.255025500
Movable Bearingeach3662460
Steel Protective Coatingsq. ft.1004040200
Fixed Bearingeach1301300
Steel Protective Coatingsq. ft.60204000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,4061,7011,692130
Steel Protective Coatingsq. ft.9,7648,629001,135
Reinforced Concrete Bridge Raillinear ft.1,0691,0480210