LIBRARY RD over SAW MILL RUN
Map
Coordinates:
+40.38223, -79.9961340°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 |