MD 189 over IS 270 & C-D ROADS

Map 

Facts 

Name:	MD 189 over IS 270 & C-D ROADS
Structure number:	100000150049010
Location:	0.96 MILE SOUTH OF MD 28
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	75.1 ft. [22.9 m]
Total length:	250.0 ft. [76.2 m]
Roadway width between curbs:	84.0 ft. [25.6 m]
Deck width edge-to-edge:	103.0 ft. [31.4 m]
Vertical clearance below bridge:	18.0 ft. [5.5 m]
Skew angle:	12°
Owner:	State Highway Agency [01]
Year built:	1988
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 22.5 / HS 25 [9]
Number of main spans:	4
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,581 [as of 2006]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	93.3

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,975 [as of 1994]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	96.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	30,625 [as of 1988]
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:	27.7 tons [25.2 metric tons]
Inventory rating:	24.8 tons [22.5 metric tons]
Sufficiency rating:	62.1

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