GUILFORD AVENUE over I-83 AND AMTRAK

Map 

Facts 

Name:	GUILFORD AVENUE over I-83 AND AMTRAK
Structure number:	200000BC1402010
Location:	0.08 MI S OF CALVERT ST
Purpose:	Carries highway and pedestrian walkway over highway and railroad
Route classification:	Collector (Urban) [17]
Length of largest span:	173.9 ft. [53.0 m]
Total length:	320.9 ft. [97.8 m]
Roadway width between curbs:	40.0 ft. [12.2 m]
Deck width edge-to-edge:	64.3 ft. [19.6 m]
Vertical clearance above deck:	16.1 ft. [4.9 m]
Vertical clearance below bridge:	29.2 ft. [8.9 m]
Skew angle:	38°
Owner:	City or Municipal Highway Agency [04]
Year built:	1930
Year reconstructed:	1990
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Main span material:	Steel [3]
Main span design:	Arch - Thru [12]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	10,500 [as of 2007]
Truck traffic:	5% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	60.4 tons [54.9 metric tons]
Inventory rating:	36.6 tons [33.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	72.0
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$18,000

2000 Inspection 

Status:	Open, posting recommended but not legally implemented [B]
Average daily traffic:	9,122 [as of 1994]
Truck traffic:	5% 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:	55.4 tons [50.4 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	71.5
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$36,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,122 [as of 1988]
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	70.1

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