US421N NC87 over US1

Map

Coordinates:
+35.51127, -79.18782
35°30'41" N, 79°11'16" W

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

Name:	US421N NC87 over US1
Structure number:	000000001050115
Location:	1.1MI.N.JCT.SR1415
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	107.0 ft. `[32.6 m]`
Total length:	219.2 ft. `[66.8 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:	23.0 ft. `[7.0 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:	8,500 `[as of 2012]`
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:	Basically intolerable requiring high priority of corrrective action `[3]`
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:	89.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Good	Good	Good	Good	8500	89.0
August 2016	Good	Good	Good	Good	8500	89.0
August 2014	Good	Good	Good	Good	8500	89.0
August 2012	Good	Good	Good	Good	7500	89.0
July 2010	Good	Very Good	Very Good	Very Good	7500	90.0
August 2008	Good	Excellent	Excellent	Excellent	7650	90.0
January 2007	Good	Excellent	Excellent	Excellent	7650	95.0

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.	1,085	1,085	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	8,874	5,552	3,322	0	0
Substructure
Reinforced Concrete Column	each	3	3	0	0	0
Reinforced Concrete Abutment	linear ft.	118	100	18	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	38	38	0	0	0
Steel Pile	each	25	25	0	0	0
Prestressed Concrete Pier Cap	linear ft.	48	38	10	0	0
Reinforced Concrete Pier Cap	linear ft.	85	77	8	0	0
Bearings
Elastomeric Bearing	each	20	20	0	0	0
Steel Protective Coating	sq. ft.	70	70	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	438	393	45	0	0