HWY TREMONT ST over COMB AMTRAK/MBTA & ORNG

Map

Coordinates:
+42.33153, -71.09532
42°19'54" N, 71°05'43" W

Source: National Bridge Inventory (2010 edition)
Information not verified. Use at your own risk.

Name:	HWY TREMONT ST over COMB AMTRAK/MBTA & ORNG
Structure number:	B160924VAMBTNBI
Location:	2ND BR S OF RUGGLES ST
Purpose:	Carries highway and pedestrian walkway over railroad
Route classification:	Minor Arterial (Urban) `[16]`
Length of largest span:	57.1 ft. `[17.4 m]`
Total length:	128.9 ft. `[39.3 m]`
Roadway width between curbs:	64.0 ft. `[19.5 m]`
Deck width edge-to-edge:	86.0 ft. `[26.2 m]`
Vertical clearance below bridge:	15.7 ft. `[4.8 m]`
Skew angle:	24°
Owner:	Other State Agencies `[21]`
Year built:	1981
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	2
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Box Beam or girders - Single or Spread `[06]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Status:	Open, no restriction `[A]`
Average daily traffic:	8,900 `[as of 1997]`
Truck traffic:	7% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	49.0 tons `[44.5 metric tons]`
Inventory rating:	36.0 tons `[32.7 metric tons]`
Evaluation:	Functionally obsolete `[2]`
Sufficiency rating:	91.1
Recommended work:	Replacement of bridge or other structure because of relocation of road. `[32]`
Estimated cost of work:	$7,340,000