I 93 RAMP NS over US 1 RAMP TC

Map

Coordinates:
+42.37181, -71.06801
42°22'19" N, 71°04'05" W

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

Name:	I 93 RAMP NS over US 1 RAMP TC
Structure number:	B166068YRDOTNBI
Location:	I93/US1 INTERCHANGE
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	82.0 ft. `[25.0 m]`
Total length:	368.1 ft. `[112.2 m]`
Roadway width between curbs:	22.0 ft. `[6.7 m]`
Deck width edge-to-edge:	25.9 ft. `[7.9 m]`
Vertical clearance above deck:	20.7 ft. `[6.3 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1999
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	5
Main spans material:	Prestressed concrete continuous `[6]`
Main spans design:	Box Beam or girders - Single or Spread `[06]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	19,945 `[as of 2017]`
Truck traffic:	3% 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:	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:	92.4
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$1,648,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2018	Good	Good	Good	Good	19945	92.4
May 2016	Good	Good	Good	Good	19000	92.7
May 2014	Good	Good	Good	Good	19000	91.6
May 2012	Good	Good	Good	Good	19000	91.6
May 2010	Good	Good	Good	Good	40300	26.0
October 2008	Good	Very Good	Good	Very Good	174630	26.0

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 Closed Web/Box Girder	linear ft.	368	323	45	0	0
Deck
Prestressed Concrete Top Flange	sq. ft.	9,568	9,468	100	0	0
Wearing Surfaces	sq. ft.	8,096	7,936	150	10	0
Substructure
Reinforced Concrete Column	each	4	3	1	0	0
Reinforced Concrete Pier Wall	linear ft.	14	14	0	0	0
Reinforced Concrete Abutment	linear ft.	53	52	1	0	0
Joints
Strip Seal Joint	linear ft.	22	0	22	0	0
Assembly with Seal	each	22	0	22	0	0
Bearings
Elastomeric Bearing	each	12	5	7	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	736	734	2	0	0