ALDER CREEK RD over I90;FOURTH OF JULY SM IC

Map

Coordinates:
+47.62100, -116.52470
47°37'16" N, 116°31'29" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	ALDER CREEK RD over I90;FOURTH OF JULY SM IC
Structure number:	000000000030645
Location:	15.7 E. COUER D'ALENE
Purpose:	Carries highway overpass over highway
Route classification:	Local (Rural) `[09]`
Length of largest span:	138.1 ft. `[42.1 m]`
Total length:	267.1 ft. `[81.4 m]`
Roadway width between curbs:	36.7 ft. `[11.2 m]`
Deck width edge-to-edge:	39.7 ft. `[12.1 m]`
Vertical clearance below bridge:	19.7 ft. `[6.0 m]`
Skew angle:	18°
Owner:	State Highway Agency `[01]`
Year built:	1988
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 22.5 / HS 25 `[9]`
Number of main spans:	2
Main spans material:	Prestressed concrete continuous `[6]`
Main spans design:	Box Beam or girders - Single or Spread `[06]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	150 `[as of 2015]`
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Superior to present desirable criteria `[9]`
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	93.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2017	Fair	Satisfactory	Satisfactory	Satisfactory	150	93.0
June 2015	Fair	Satisfactory	Satisfactory	Satisfactory	150	93.0
June 2013	Fair	Satisfactory	Satisfactory	Satisfactory	150	93.0
June 2011	Fair	Satisfactory	Satisfactory	Satisfactory	190	92.6
June 2009	Fair	Satisfactory	Satisfactory	Satisfactory	190	92.6
June 2007	Fair	Satisfactory	Satisfactory	Satisfactory	190	92.6
June 2005	Fair	Satisfactory	Satisfactory	Satisfactory	90	92.8
June 2003	Fair	Satisfactory	Satisfactory	Satisfactory	90	92.8
June 2001	Fair	Satisfactory	Satisfactory	Satisfactory	90	92.8
June 1999	Good	Good	Good	Good	130	90.7
June 1997	Good	Very Good	Good	Good	130	90.7
June 1995	Good	Very Good	Very Good	Good	240	90.5
April 1994	Good	Very Good	Very Good	Good	240	90.5
April 1992	Good	Very Good	Very Good	Very Good	240	90.5
June 1991	Good	Very Good	Very Good	Very Good	240	86.5

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girder	linear ft.	267	209	58	0	0
Deck
Prestressed Concrete Top Flange	sq. ft.	10,600	5,099	5,501	0	0
Wearing Surfaces	sq. ft.	9,799	0	0	2,299	7,500
Substructure
Reinforced Concrete Pier Wall	linear ft.	19	0	19	0	0
Reinforced Concrete Abutment	linear ft.	80	72	8	0	0
Joints
Pourable Joint	linear ft.	100	0	35	25	40
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	530	420	110	0	0