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


+38.89187, -77.06240
38°53'31" N, 77°03'45" 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 below bridge:14.4 ft. [4.4 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: March 2015

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]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:63.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$12,500,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201563.0FairFairFairSatisfactory-103600
December 201463.0FairFairFairSatisfactory-103600
December 201263.0FairFairFairGood-103600
October 201061.0PoorPoorFairGoodSD103600
March 200863.0FairFairFairGood-103600
July 200473.0FairFairSatisfactoryGood-89000
May 199973.0FairFairGoodGood-89000
March 199773.0FairFairGoodGood-89000
August 199373.0FairFairGoodGood-89000
March 199173.0FairFairGoodGood-89000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.7,06606,7133530
Steel Protective Coatingsq. ft.127,15567,09428,26421,19810,599
Steel Stringerlinear ft.9,69009,678120
Steel Protective Coatingsq. ft.59,55326,6579,69015,9387,268
Reinforced Concrete Decksq. ft.103,892102,6491,0072360
Wearing Surfacessq. ft.97,633097,63300
Steel Floor Beamlinear ft.3,64003,4721680
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.18813735160
Compression Jointlinear ft.29602611520
Assembly with Sealeach255025500
Movable Bearingeach3662460
Steel Protective Coatingsq. ft.1004040200
Fixed Bearingeach1301300
Steel Protective Coatingsq. ft.60204000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,4061,7011,693120
Steel Protective Coatingsq. ft.9,7648,629001,135
Reinforced Concrete Bridge Raillinear ft.1,0691,0480210