Share:

LIBRARY RD over SAW MILL RUN

Map 

Coordinates:
+40.38223, -79.99613
40°22'56" N, 79°59'46" W
Source: National Bridge Inventory (2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:LIBRARY RD over SAW MILL RUN
Structure number:020088017022590
Location:PITTSBURGH @ 51&88
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:38.1 ft. [11.6 m]
Total length:42.0 ft. [12.8 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:48.9 ft. [14.9 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1930
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

2010 Inspection 

Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:16,109 [as of 2009]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Serious [3 out of 9]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:21.0 tons [19.1 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:4.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,000

2000 Inspection 

Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:19,536 [as of 2000]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Scour calculation/evaluation has not been made. [6]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:28.7 tons [26.1 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:16.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$697,000