SR 99 over N50TH ST
Map
Coordinates:
+47.66510, -122.3473447°39'54" N, 122°20'50" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.
Facts
| Name: | SR 99 over N50TH ST |
| Structure number: | 0001684A0000000 |
| Location: | 9.2 N JCT SR 509 |
| Purpose: | Carries highway and pedestrian walkway over highway |
| Route classification: | Principal Arterial - Other Freeways or Expressways (Urban) [12] |
| Length of largest span: | 42.0 ft. [12.8 m] |
| Total length: | 44.0 ft. [13.4 m] |
| Roadway width between curbs: | 65.0 ft. [19.8 m] |
| Deck width edge-to-edge: | 81.4 ft. [24.8 m] |
| Vertical clearance below bridge: | 12.5 ft. [3.8 m] |
| Owner: | State Highway Agency [01] |
| Year built: | 1933 |
| Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
| 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, no restriction [A] |
| Average daily traffic: | 48,606 [as of 2007] |
| Truck traffic: | 4% of total traffic |
| Deck condition: | Satisfactory [6 out of 9] |
| Superstructure condition: | Fair [5 out of 9] |
| Substructure condition: | Good [7 out of 9] |
| Scour condition: | Bridge not over waterway. [N] |
| Operating rating: | 49.5 tons [45.0 metric tons] |
| Inventory rating: | 29.7 tons [27.0 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 63.1 |
| Estimated cost of work: | $74,000 |
2000 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 48,950 [as of 1991] |
| Truck traffic: | 6% of total traffic |
| Deck condition: | Satisfactory [6 out of 9] |
| Superstructure condition: | Satisfactory [6 out of 9] |
| Substructure condition: | Good [7 out of 9] |
| Scour condition: | Bridge not over waterway. [N] |
| Operating rating: | 49.5 tons [45.0 metric tons] |
| Inventory rating: | 29.7 tons [27.0 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 63.2 |
| Estimated cost of work: | $105,000 |
1992 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 45,250 [as of 1984] |
| Truck traffic: | 15% of total traffic |
| Deck condition: | Satisfactory [6 out of 9] |
| Superstructure condition: | Satisfactory [6 out of 9] |
| Substructure condition: | Good [7 out of 9] |
| Scour condition: | Bridge not over waterway. [N] |
| Operating rating: | 35.6 tons [32.4 metric tons] |
| Inventory rating: | 18.8 tons [17.1 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 48.4 |
| Estimated cost of work: | $181,000 |