I 93 SB BT 61-B5 over RR BMRR

Map

Coordinates:
+42.37972, -71.07667
42°22'47" N, 71°04'36" W

Source: National Bridge Inventory (2000, 2010 editions)
Information not verified. Use at your own risk.

Name:	I 93 SB BT 61-B5 over RR BMRR
Structure number:	B162813BVDOTNBI
Old structure number:	3BV09383607V101 `(from 1992 edition)`
Location:	0.24 MI S OF CAMBRIDGE ST
Purpose:	Carries highway over railroad
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	83.0 ft. `[25.3 m]`
Total length:	486.9 ft. `[148.4 m]`
Roadway width between curbs:	44.6 ft. `[13.6 m]`
Deck width edge-to-edge:	57.1 ft. `[17.4 m]`
Vertical clearance above deck:	16.4 ft. `[5.0 m]`
Vertical clearance below bridge:	39.4 ft. `[12.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1970
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Number of main spans:	6
Main spans material:	Steel `[3]`
Main spans design:	Girder and floorbeam system `[03]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Status:	Open, no restriction `[A]`
Average daily traffic:	72,100 `[as of 2008]`
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	48.5 tons `[44.1 metric tons]`
Inventory rating:	35.6 tons `[32.4 metric tons]`
Sufficiency rating:	57.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$10,786,000

Status:	Open, no restriction `[A]`
Average daily traffic:	64,000 `[as of 1999]`
Truck traffic:	12% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	48.5 tons `[44.1 metric tons]`
Inventory rating:	35.6 tons `[32.4 metric tons]`
Sufficiency rating:	58.7
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$2,915,000