SR 104 over MAHANTANGO CREEK

Map

Coordinates:
+40.64703, -76.96512
40°38'49" N, 76°57'54" W

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

Name:	SR 104 over MAHANTANGO CREEK
Structure number:	000000000031085
Old structure number:	540104001000000 `(from 1992 edition)`
Location:	JUNIATA-SNYDER CO LINE
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	132.9 ft. `[40.5 m]`
Total length:	141.1 ft. `[43.0 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	25.6 ft. `[7.8 m]`
Vertical clearance above deck:	16.7 ft. `[5.1 m]`
Skew angle:	45°
Owner:	State Highway Agency `[01]`
Year built:	1930
Year reconstructed:	1993
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	2,007 `[as of 2017]`
Truck traffic:	10% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. `[5]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. `[4]`
Sufficiency rating:	24.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$241,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2017	Poor	Good	Poor	Satisfactory	2007	24.8
June 2015	Fair	Good	Fair	Satisfactory	2049	45.6
March 2013	Fair	Good	Fair	Satisfactory	2069	45.5
March 2011	Fair	Good	Fair	Satisfactory	2519	43.5
March 2009	Fair	Good	Fair	Satisfactory	2527	43.5
March 2007	Fair	Good	Fair	Satisfactory	2903	53.4
March 2005	Fair	Good	Fair	Satisfactory	2809	53.8
March 2003	Fair	Good	Fair	Satisfactory	2726	54.1
March 2001	Fair	Good	Fair	Satisfactory	2699	55.2
March 1999	Fair	Good	Fair	Satisfactory	2641	55.4
March 1997	Fair	Satisfactory	Satisfactory	Satisfactory	3033	66.8
November 1994	Good	Very Good	Good	Very Good	2927	76.7
November 1993	Good	Very Good	Very Good	Very Good	2887	70.0
April 1992	Fair	Fair	Fair	Fair	2887	39.3
April 1991	Fair	Fair	Fair	Fair	2820	39.7

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Stringer	linear ft.	928	883	45	0	0
Steel Protective Coating	sq. ft.	10,753	10,753	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	3,584	0	3,584	0	0
Superstructure
Steel Truss	linear ft.	265	0	0	261	4
Steel Protective Coating	sq. ft.	10,753	10,753	0	0	0
Steel Floor Beam	linear ft.	276	246	30	0	0
Steel Protective Coating	sq. ft.	10,753	10,753	0	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	180	0	180	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	7	0	7	0	0
Joints
Strip Seal Joint	linear ft.	72	72	0	0	0
Bearings
Movable Bearing	each	2	2	0	0	0
Steel Protective Coating	sq. ft.	10,753	10,753	0	0	0
Fixed Bearing	each	2	2	0	0	0
Steel Protective Coating	sq. ft.	10,753	10,753	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	282	0	282	0	0