US421 NC87 SBL COL over US1 US15/501 NC87 BUS

Map

Coordinates:
+35.51084, -79.18797
35°30'39" N, 79°11'17" W

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

Name:	US421 NC87 SBL COL over US1 US15/501 NC87 BUS
Structure number:	000000001050118
Location:	0.45 MI. W. JCT. US1 BUS
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	101.1 ft. `[30.8 m]`
Total length:	207.0 ft. `[63.1 m]`
Roadway width between curbs:	37.4 ft. `[11.4 m]`
Deck width edge-to-edge:	40.4 ft. `[12.3 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	3°
Owner:	State Highway Agency `[01]`
Year built:	2007
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 9 / H 10 `[1]`
Number of main spans:	2
Main spans material:	Prestressed concrete continuous `[6]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	6,000 `[as of 2013]`
Truck traffic:	12% of total traffic
Deck condition:	Good `[7 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:	Superior to present desirable criteria `[9]`
Underclearances appraisal:	Equal to present minimum criteria `[6]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	100.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2018	Good	Good	Good	Good	6000	100.0
October 2016	Fair	Satisfactory	Good	Good	6000	95.0
October 2014	Fair	Satisfactory	Good	Good	6000	95.0
October 2012	Good	Good	Good	Good	1000	89.0
October 2010	Good	Excellent	Excellent	Excellent	1000	96.0
August 2008	Good	Excellent	Excellent	Excellent	1000	96.0
January 2007	Good	Excellent	Excellent	Excellent	1000	96.0

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 Girder/Beam	linear ft.	1,025	1,025	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	8,377	7,402	975	0	0
Substructure
Reinforced Concrete Column	each	3	3	0	0	0
Reinforced Concrete Abutment	linear ft.	130	119	11	0	0
Steel Pile	each	24	24	0	0	0
Reinforced Concrete Pier Cap	linear ft.	133	133	0	0	0
Joints
Pourable Joint	linear ft.	123	123	0	0	0
Bearings
Elastomeric Bearing	each	20	20	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	416	400	16	0	0