I-395 RAMP G over MIDDLE BRANCH

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

Facts

Name:	I-395 RAMP G over MIDDLE BRANCH
Structure number:	300000BCWT08012
Location:	Milepost 0.8
Purpose:	Carries highway over railroad and waterway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	185.0 ft. `[56.4 m]`
Total length:	2423.0 ft. `[738.5 m]`
Roadway width between curbs:	41.3 ft. `[12.6 m]`
Deck width edge-to-edge:	44.6 ft. `[13.6 m]`
Vertical clearance above deck:	23.0 ft. `[7.0 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Owner:	State Toll Authority `[31]`
Year built:	1976
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:	16
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Status:	Open, no restriction `[A]`
Average daily traffic:	78,800 `[as of 2006]`
Truck traffic:	8% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Operating rating:	84.2 tons `[76.5 metric tons]`
Inventory rating:	37.6 tons `[34.2 metric tons]`
Sufficiency rating:	86.9

Status:	Open, no restriction `[A]`
Average daily traffic:	78,800 `[as of 1994]`
Truck traffic:	8% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Operating rating:	84.2 tons `[76.5 metric tons]`
Inventory rating:	37.6 tons `[34.2 metric tons]`
Sufficiency rating:	86.9