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STC 7255;NINTH ST over I 90 EB-WB;NINTH ST GS

Map

Coordinates:
+47.69500, -116.77250
47°41'42" N, 116°46'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STC 7255;NINTH ST over I 90 EB-WB;NINTH ST GS
Structure number:000000000021400
Location:IN COEUR D'ALENE
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:70.9 ft. [21.6 m]
Total length:229.0 ft. [69.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:49.9 ft. [15.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:2009
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
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: April 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,600 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,000,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2015FairSatisfactoryGoodSatisfactory260089.0
April 2013FairSatisfactoryGoodSatisfactory260089.0
April 2011FairSatisfactoryGoodSatisfactory260084.9
April 2009FairSatisfactoryGoodSatisfactory260084.9
April 2008PoorSatisfactoryPoorFair260040.2
April 2007PoorSatisfactoryPoorFair260040.2
April 2005FairSatisfactorySatisfactorySatisfactory260077.6
April 2003FairSatisfactorySatisfactorySatisfactory260077.6
April 2002FairSatisfactorySatisfactorySatisfactory260077.6
April 2000PoorSatisfactoryCriticalSatisfactory260032.2
April 1999PoorSatisfactoryCriticalSatisfactory260032.2
April 1998PoorSatisfactorySeriousSatisfactory260040.4
April 1997PoorSatisfactorySeriousSatisfactory260040.4
March 1996PoorSatisfactorySeriousSatisfactory260040.4
April 1995FairSatisfactorySatisfactorySatisfactory260082.6
April 1994PoorSatisfactoryCriticalSatisfactory260024.9
April 1992FairGoodSatisfactoryGood221084.3
April 1990FairGoodSatisfactoryGood221084.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.984984000
Steel Protective Coatingsq. ft.8,8568,856000
Reinforced Concrete Girder/Beamlinear ft.6365964000
Deck
Reinforced Concrete Decksq. ft.11,38110,1811,175250
Substructure
Reinforced Concrete Columneach1211100
Reinforced Concrete Abutmentlinear ft.118892540
Reinforced Concrete Pier Caplinear ft.168168000
Joints
Compression Jointlinear ft.123070530
Bearings
Movable Bearingeach2121000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.4584243400
Steel Protective Coatingsq. ft.1,6951,185042585
Reinforced Concrete Bridge Raillinear ft.2832087500