SR 1077 over MON, 0837, 0906, 2 R/R

Map 

Facts 

Name:	SR 1077 over MON, 0837, 0906, 2 R/R
Structure number:	621077002000000
Location:	DONORA-MONESSEN BRIDGE
Purpose:	Carries highway over highway, waterway, and railroad
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	608.0 ft. [185.3 m]
Total length:	2141.2 ft. [652.6 m]
Roadway width between curbs:	75.5 ft. [23.0 m]
Deck width edge-to-edge:	82.0 ft. [25.0 m]
Vertical clearance above deck:	16.4 ft. [5.0 m]
Vertical clearance below bridge:	505.3 ft. [154.0 m]
Owner:	State Highway Agency [01]
Year built:	1972
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 13.5 / H 15 [2]
Number of main spans:	3
Main spans material:	Steel continuous [4]
Main spans design:	Truss - Deck [09]
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:	4,421 [as of 2007]
Truck traffic:	7% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	52.9 tons [48.1 metric tons]
Inventory rating:	30.9 tons [28.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	69.1
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$22,000

2000 Inspection 

Average daily traffic:	7,988 [as of 2000]
Evaluation:	Not applicable [N]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,745 [as of 1992]
Truck traffic:	7% 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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	54.5 tons [49.5 metric tons]
Inventory rating:	30.7 tons [27.9 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	90.6
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$9,979,000

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