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

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]`

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2015	Fair	Satisfactory	Good	Satisfactory	2600	89.0
April 2013	Fair	Satisfactory	Good	Satisfactory	2600	89.0
April 2011	Fair	Satisfactory	Good	Satisfactory	2600	84.9
April 2009	Fair	Satisfactory	Good	Satisfactory	2600	84.9
April 2008	Poor	Satisfactory	Poor	Fair	2600	40.2
April 2007	Poor	Satisfactory	Poor	Fair	2600	40.2
April 2005	Fair	Satisfactory	Satisfactory	Satisfactory	2600	77.6
April 2003	Fair	Satisfactory	Satisfactory	Satisfactory	2600	77.6
April 2002	Fair	Satisfactory	Satisfactory	Satisfactory	2600	77.6
April 2000	Poor	Satisfactory	Critical	Satisfactory	2600	32.2
April 1999	Poor	Satisfactory	Critical	Satisfactory	2600	32.2
April 1998	Poor	Satisfactory	Serious	Satisfactory	2600	40.4
April 1997	Poor	Satisfactory	Serious	Satisfactory	2600	40.4
March 1996	Poor	Satisfactory	Serious	Satisfactory	2600	40.4
April 1995	Fair	Satisfactory	Satisfactory	Satisfactory	2600	82.6
April 1994	Poor	Satisfactory	Critical	Satisfactory	2600	24.9
April 1992	Fair	Good	Satisfactory	Good	2210	84.3
April 1990	Fair	Good	Satisfactory	Good	2210	84.3

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	984	984	0	0	0
Steel Protective Coating	sq. ft.	8,856	8,856	0	0	0
Reinforced Concrete Girder/Beam	linear ft.	636	596	40	0	0
Deck
Reinforced Concrete Deck	sq. ft.	11,381	10,181	1,175	25	0
Substructure
Reinforced Concrete Column	each	12	11	1	0	0
Reinforced Concrete Abutment	linear ft.	118	89	25	4	0
Reinforced Concrete Pier Cap	linear ft.	168	168	0	0	0
Joints
Compression Joint	linear ft.	123	0	70	53	0
Bearings
Movable Bearing	each	21	21	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	458	424	34	0	0
Steel Protective Coating	sq. ft.	1,695	1,185	0	425	85
Reinforced Concrete Bridge Rail	linear ft.	283	208	75	0	0