I 93 RAMP NS over US 1 RAMP TC

Map

Coordinates:
+42.37139, -71.06722
42°22'17" N, 71°04'02" 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:	14.4 ft. `[4.4 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:	19,000 `[as of 2016]`
Truck traffic:	2% 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]`
Inventory rating:	45.7 tons `[41.5 metric tons]`
Sufficiency rating:	92.7
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$1,748,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
May 2016	92.7	Good	Good	Good	Good	-	19000
May 2014	91.6	Good	Good	Good	Good	-	19000
May 2012	91.6	Good	Good	Good	Good	-	19000
May 2010	26.0	Good	Good	Good	Good	-	40300
October 2008	26.0	Good	Very Good	Good	Very Good	-	174630

Source: National Bridge Elements dataset, 2016 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	350	18	0	0
Deck
Reinforced Concrete Deck	sq. ft.	8,100	7,614	486	0	0
Wearing Surfaces	sq. ft.	8,100	7,614	486	0	0
Substructure
Prestressed Concrete Column	each	4	3	1	0	0
Reinforced Concrete Pier Wall	linear ft.	14	14	0	0	0
Reinforced Concrete Abutment	linear ft.	57	57	0	0	0
Joints
Strip Seal Joint	linear ft.	22	22	0	0	0
Assembly with Seal	each	22	22	0	0	0
Bearings
Elastomeric Bearing	each	12	12	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	736	729	7	0	0