US 1 RAMP TC over I 93 RMPS SN NS ST

Map

Coordinates:
+42.37194, -71.06861
42°22'19" N, 71°04'07" W

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

Name:	US 1 RAMP TC over I 93 RMPS SN NS ST
Structure number:	B163928DGDOTNBI
Location:	I93/US1 INTERCHANGE
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	177.8 ft. `[54.2 m]`
Total length:	480.7 ft. `[146.5 m]`
Roadway width between curbs:	43.0 ft. `[13.1 m]`
Deck width edge-to-edge:	46.9 ft. `[14.3 m]`
Vertical clearance above deck:	15.4 ft. `[4.7 m]`
Vertical clearance below bridge:	14.8 ft. `[4.5 m]`
Skew angle:	99°
Owner:	State Highway Agency `[01]`
Year built:	2002
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Prestressed concrete continuous `[6]`
Main spans design:	Segmental box girder `[21]`
Deck type:	Other `[9]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	35,800 `[as of 2010]`
Truck traffic:	8% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	83.2 tons `[75.6 metric tons]`
Inventory rating:	49.9 tons `[45.4 metric tons]`
Sufficiency rating:	87.0
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$2,368,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
August 2015	87.0	Fair	Good	Good	Satisfactory	-	35800
August 2013	87.0	Fair	Good	Good	Satisfactory	-	35800
August 2011	81.0	Fair	Good	Good	Satisfactory	-	174630
July 2011	81.0	Fair	Good	Good	Satisfactory	-	174630
July 2009	81.0	Fair	Good	Good	Satisfactory	-	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.	928	788	140	0	0
Deck
Reinforced Concrete Top Flange	sq. ft.	26,683	24,282	1,601	800	0
Wearing Surfaces	sq. ft.	24,819	23,216	1,603	0	0
Substructure
Reinforced Concrete Column	each	9	9	0	0	0
Prestressed Concrete Pier Cap	linear ft.	100	0	100	0	0
Reinforced Concrete Pier Cap	linear ft.	72	0	72	0	0
Joints
Assembly with Seal	each	107	53	54	0	0
Bearings
Elastomeric Bearing	each	13	9	4	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	1,594	1,586	8	0	0