US 1 RAMP TC over I 93 RMPS SN NS ST

Map

Coordinates:
+42.37203, -71.06823
42°22'19" N, 71°04'06" 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:	13.1 ft. `[4.0 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 2017]`
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]`
Sufficiency rating:	87.0
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$2,179,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Fair	Good	Good	Satisfactory	35800	87.0
August 2015	Fair	Good	Good	Satisfactory	35800	87.0
August 2013	Fair	Good	Good	Satisfactory	35800	87.0
August 2011	Fair	Good	Good	Satisfactory	174630	81.0
July 2011	Fair	Good	Good	Satisfactory	174630	81.0
July 2009	Fair	Good	Good	Satisfactory	174630	81.0

Source: National Bridge Elements dataset, 2018 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.	930	800	103	27	0
Deck
Prestressed Concrete Top Flange	sq. ft.	26,683	24,278	1,605	800	0
Wearing Surfaces	sq. ft.	24,819	23,213	1,602	4	0
Substructure
Reinforced Concrete Column	each	11	11	0	0	0
Prestressed Concrete Pier Cap	linear ft.	372	272	100	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