I 93 NB ON RMP over I 93 SB

Map

Coordinates:
+42.38167, -71.07667
42°22'54" N, 71°04'36" W

Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Name:	I 93 NB ON RMP over I 93 SB
Structure number:	B162813CEDOTNBI
Old structure number:	3CE093896F1V101 `(from 1992 edition)`
Location:	.8 MI N OF JCT I93&US1
Purpose:	Carries highway over highway and railroad
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	77.1 ft. `[23.5 m]`
Total length:	299.9 ft. `[91.4 m]`
Roadway width between curbs:	22.0 ft. `[6.7 m]`
Deck width edge-to-edge:	44.9 ft. `[13.7 m]`
Vertical clearance below bridge:	15.7 ft. `[4.8 m]`
Skew angle:	99°
Owner:	State Highway Agency `[01]`
Year built:	1970
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Number of main spans:	4
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Status:	Open, no restriction `[A]`
Average daily traffic:	24,300 `[as of 2008]`
Truck traffic:	4% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 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:	93.7
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$1,103,000

Status:	Open, no restriction `[A]`
Average daily traffic:	21,854 `[as of 2000]`
Truck traffic:	6% 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:	48.5 tons `[44.1 metric tons]`
Inventory rating:	35.6 tons `[32.4 metric tons]`
Sufficiency rating:	93.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$6,075,000

Status:	Bridge closed to all traffic `[K]`
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]`
Evaluation:	Structurally deficient `[1]`
Sufficiency rating:	39.0