NBL Route 15 over 460 Bypass

Map

Coordinates:
+37.31238, -78.46103
37°18'45" N, 78°27'40" W

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

Name:	NBL Route 15 over 460 Bypass
Structure number:	000000000013885
Location:	0.24N-Rt 15/ 0.40-Rt 460B
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	122.1 ft. `[37.2 m]`
Total length:	245.1 ft. `[74.7 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	34.1 ft. `[10.4 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1976
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
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:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	1,762 `[as of 2014]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Good `[7 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]`
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:	94.1

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2017	Fair	Good	Satisfactory	Good	1762	94.1
October 2015	Good	Good	Good	Good	1762	94.1
October 2013	Good	Good	Good	Good	4589	82.5
October 2011	Good	Good	Good	Good	4589	82.5
October 2009	Good	Very Good	Good	Good	4589	82.5
June 2007	Fair	Satisfactory	Good	Fair	4443	71.4
May 2005	Fair	Satisfactory	Good	Fair	4094	71.4
July 2003	Good	Good	Good	Good	4094	82.5
June 2001	Good	Good	Good	Good	4094	82.5
May 1999	Good	Good	Good	Good	4000	80.5
July 1997	Good	Good	Good	Good	4000	80.5
June 1995	Good	Good	Good	Good	4000	80.6
May 1993	Good	Good	Good	Very Good	3973	80.6
March 1991	Good	Good	Good	Very Good	2740	80.7

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	980	486	480	14	0
Steel Protective Coating	sq. ft.	13,503	6,710	0	6,614	179
Deck
Reinforced Concrete Deck	sq. ft.	8,362	8,125	237	0	0
Wearing Surfaces	sq. ft.	7,318	7,027	284	7	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	11	10	1	0	0
Reinforced Concrete Abutment	linear ft.	116	100	15	1	0
Reinforced Concrete Pier Cap	linear ft.	33	28	5	0	0
Joints
Pourable Joint	linear ft.	68	56	12	0	0
Bearings
Movable Bearing	each	8	0	8	0	0
Steel Protective Coating	sq. ft.	16	0	0	16	0
Fixed Bearing	each	4	0	4	0	0
Steel Protective Coating	sq. ft.	8	0	0	8	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	490	489	1	0	0
Reinforced Concrete Bridge Rail	linear ft.	490	490	0	0	0