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IS 470 E over CST BLUE RIDGE BLVD

Map

Coordinates:
+38.93875, -94.50890
38°56'19" N, 94°30'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 470 E over CST BLUE RIDGE BLVD
Structure number:1827
Old structure number:A21452 4 (from 1992 edition)
Location:S 36 T 48 N R 33 W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:56.1 ft. [17.1 m]
Total length:192.9 ft. [58.8 m]
Roadway width between curbs:113.9 ft. [34.7 m]
Deck width edge-to-edge:116.8 ft. [35.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1976
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:4
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:107,716 [as of 2016]
Truck traffic:12% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:75.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,185,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairFairFairSatisfactory10771675.8
October 2015FairSatisfactorySatisfactoryGood10182989.0
October 2013FairSatisfactorySatisfactoryVery Good10182989.0
October 2011GoodGoodGoodVery Good9812789.2
January 2010GoodGoodGoodVery Good8384789.9
January 2008GoodGoodGoodVery Good8522789.8
January 2006GoodGoodGoodVery Good8421589.9
October 2003GoodGoodGoodVery Good8346289.9
October 2001GoodGoodVery GoodVery Good6123391.0
September 1999GoodVery GoodVery GoodVery Good5386087.7
September 1998GoodVery GoodVery GoodVery Good5386087.7
October 1997GoodVery GoodVery GoodVery Good5386087.7
December 1991GoodVery GoodVery GoodVery Good4542590.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Columneach1515000
Reinforced Concrete Abutmentlinear ft.2632342900
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.39136120100
Reinforced Concrete Bridge Raillinear ft.60652650300
Deck
Reinforced Concrete Slabsq. ft.22,47820,6581,6002200
Wearing Surfacessq. ft.21,56418,0643,0005000