SBL Lynchburg Expr over US 29 Bus SBL

Map

Coordinates:
+37.36340, -79.18499
37°21'48" N, 79°11'06" W

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

Name:	SBL Lynchburg Expr over US 29 Bus SBL
Structure number:	000000000020564
Location:	001929&29ALT 0011WCL LYNC
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	62.0 ft. `[18.9 m]`
Total length:	155.2 ft. `[47.3 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	35.1 ft. `[10.7 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	43°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1965
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Steel `[3]`
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:	21,918 `[as of 2014]`
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Underclearances appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Pier/abutment protection:	In place and functioning `[2]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	67.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$2,032,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2017	Fair	Satisfactory	Good	Good	21918	67.8
August 2017	Fair	Satisfactory	Good	Good	21918	67.8
August 2015	Fair	Satisfactory	Satisfactory	Satisfactory	21918	75.0
August 2013	Fair	Satisfactory	Satisfactory	Satisfactory	39000	71.9
August 2011	Fair	Good	Satisfactory	Good	40000	71.8
August 2009	Fair	Good	Satisfactory	Good	40000	71.8
July 2007	Fair	Good	Satisfactory	Good	30358	73.5
July 2005	Fair	Good	Satisfactory	Good	30358	73.5
July 2003	Fair	Good	Satisfactory	Good	30358	73.5
July 2001	Fair	Good	Satisfactory	Good	30358	73.5
July 1999	Fair	Good	Satisfactory	Good	30358	75.5
August 1997	Fair	Fair	Fair	Satisfactory	30358	62.3
July 1995	Fair	Fair	Fair	Satisfactory	30358	63.0
July 1993	Fair	Satisfactory	Good	Good	20765	78.0
July 1991	Good	Good	Very Good	Good	14570	80.3

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.	755	755	0	0	0
Steel Protective Coating	sq. ft.	6,795	6,795	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	5,434	5,154	280	0	0
Substructure
Reinforced Concrete Column	each	6	6	0	0	0
Reinforced Concrete Abutment	linear ft.	92	84	8	0	0
Reinforced Concrete Pier Cap	linear ft.	98	38	60	0	0
Joints
Compression Joint	linear ft.	288	278	10	0	0
Bearings
Movable Bearing	each	15	11	4	0	0
Steel Protective Coating	sq. ft.	15	11	4	0	0
Fixed Bearing	each	15	11	4	0	0
Steel Protective Coating	sq. ft.	15	11	4	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	312	312	0	0	0