HWY 1W over HWY 1
Map
Coordinates:
+45.45375, -122.7209645°27'13" N, 122°43'15" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.
Facts
| Name: | HWY 1W over HWY 1 |
| Structure number: | 08205 01W 00622 |
| Location: | 3.0 MI NE TIGARD CC |
| Purpose: | Carries highway overpass over highway |
| Route classification: | Other Principal Arterial (Urban) [14] |
| Length of largest span: | 99.1 ft. [30.2 m] |
| Total length: | 250.0 ft. [76.2 m] |
| Roadway width between curbs: | 73.2 ft. [22.3 m] |
| Deck width edge-to-edge: | 96.1 ft. [29.3 m] |
| Vertical clearance below bridge: | 15.1 ft. [4.6 m] |
| Skew angle: | 99° |
| Owner: | State Highway Agency [01] |
| Year built: | 1959 |
| Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
| Design load: | M 18 / H 20 [4] |
| Number of main spans: | 2 |
| Main spans material: | Concrete continuous [2] |
| Main spans design: | Box beam or girders - Multiple [05] |
| Deck type: | Concrete Cast-in-Place [1] |
| Wearing surface: | Bituminous [6] |
2010 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 16,900 [as of 2008] |
| Truck traffic: | 1% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Fair [5 out of 9] |
| Substructure condition: | Fair [5 out of 9] |
| Scour condition: | Bridge not over waterway. [N] |
| Operating rating: | 32.9 tons [29.9 metric tons] |
| Inventory rating: | 19.9 tons [18.1 metric tons] |
| Evaluation: | Functionally obsolete [2] |
| Sufficiency rating: | 43.5 |
| Recommended work: | Widening of existing bridge or other major structure without deck rehabilitation or replacement [33] |
| Estimated cost of work: | $3,990,000 |
2000 Inspection
| Average daily traffic: | 83,800 [as of 2000] |
| Evaluation: | Not applicable [N] |
1992 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 15,700 [as of 1990] |
| Truck traffic: | 10% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Satisfactory [6 out of 9] |
| Substructure condition: | Satisfactory [6 out of 9] |
| Scour condition: | Bridge not over waterway. [N] |
| Operating rating: | 49.5 tons [45.0 metric tons] |
| Inventory rating: | 35.6 tons [32.4 metric tons] |
| Sufficiency rating: | 92.6 |