SH 78 over CASTLE CREEK

Map

Coordinates:
+43.05431, -116.29267
43°03'16" N, 116°17'34" W

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

Name:	SH 78 over CASTLE CREEK
Structure number:	000000000015280
Location:	18.8 E. MURPHY
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	29.9 ft. `[9.1 m]`
Total length:	62.0 ft. `[18.9 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	26.6 ft. `[8.1 m]`
Owner:	State Highway Agency `[01]`
Year built:	1955
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Design load:	MS 13.5 / HS 15 `[3]`
Number of main spans:	2
Main spans material:	Concrete `[1]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	540 `[as of 2016]`
Truck traffic:	35% 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:	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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	83.1
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$732,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Fair	Satisfactory	Satisfactory	Satisfactory	540	83.1
August 2016	Fair	Satisfactory	Satisfactory	Fair	540	71.5
August 2014	Fair	Satisfactory	Satisfactory	Fair	480	71.6
August 2012	Fair	Satisfactory	Satisfactory	Fair	530	71.5
August 2011	Fair	Satisfactory	Satisfactory	Fair	530	71.5
August 2010	Fair	Satisfactory	Satisfactory	Fair	530	71.5
August 2009	Fair	Satisfactory	Satisfactory	Fair	520	71.5
August 2008	Fair	Satisfactory	Satisfactory	Fair	520	64.8
August 2007	Fair	Satisfactory	Satisfactory	Fair	510	64.9
August 2006	Fair	Satisfactory	Satisfactory	Fair	510	64.9
August 2005	Fair	Satisfactory	Satisfactory	Fair	530	64.8
August 2004	Fair	Satisfactory	Satisfactory	Fair	530	64.8
August 2003	Fair	Satisfactory	Satisfactory	Fair	510	64.9
August 2002	Fair	Satisfactory	Satisfactory	Fair	510	64.9
August 2000	Fair	Satisfactory	Good	Fair	450	67.1
August 1998	Fair	Satisfactory	Good	Satisfactory	450	78.2
August 1996	Fair	Satisfactory	Good	Good	370	79.3
August 1994	Good	Good	Good	Good	370	79.1
March 1992	Good	Good	Good	Good	370	78.1
March 1991	Good	Good	Good	Good	370	76.1

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Reinforced Concrete Girder/Beam	linear ft.	433	423	10	0	0
Deck
Reinforced Concrete Deck	sq. ft.	1,647	1,597	45	5	0
Wearing Surfaces	sq. ft.	1,482	1,482	0	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	68	51	13	4	0
Timber Pile	each	25	7	18	0	0
Reinforced Concrete Pier Cap	linear ft.	26	21	3	2	0
Joints
Compression Joint	linear ft.	26	0	0	0	26
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	125	32	31	62	0
Steel Protective Coating	sq. ft.	627	534	0	0	93