OLD SR 20 over BAKER RIVER
Map
Coordinates:
+48.54058, -121.7444748°32'26" N, 121°44'40" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.
Facts
| Name: | OLD SR 20 over BAKER RIVER |
| Structure number: | 085135000000000 |
| Location: | 0.1 N MAIN ST |
| Purpose: | Carries highway and pedestrian walkway over highway and waterway |
| Route classification: | Local (Urban) [19] |
| Length of largest span: | 195.9 ft. [59.7 m] |
| Total length: | 269.0 ft. [82.0 m] |
| Roadway width between curbs: | 18.0 ft. [5.5 m] |
| Deck width edge-to-edge: | 26.6 ft. [8.1 m] |
| Owner: | City or Municipal Highway Agency [04] |
| Year built: | 1916 |
| Year reconstructed: | 2004 |
| Historic significance: | Bridge is on the National Register of Historic Places [1] |
| Design load: | MS 18 / HS 20 [5] |
| Main span material: | Concrete [1] |
| Main span design: | Arch - Deck [11] |
| Deck type: | Concrete Cast-in-Place [1] |
| Wearing surface: | Monolithic Concrete (concurrently placed with structural deck) [1] |
2010 Inspection
| Status: | Posted for load [P] |
| Average daily traffic: | 120 [as of 2010] |
| Truck traffic: | 5% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Good [7 out of 9] |
| Substructure condition: | Fair [5 out of 9] |
| Channel protection: | Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8] |
| Scour condition: | Bridge foundations determined to be stable for the assessed or calculated scour condition. [8] |
| Operating rating: | 12.9 tons [11.7 metric tons] |
| Inventory rating: | 7.9 tons [7.2 metric tons] |
| Sufficiency rating: | 21.7 |
| Estimated cost of work: | $95,000 |
2000 Inspection
| Status: | Open, posting recommended but not legally implemented [B] |
| Average daily traffic: | 100 [as of 1992] |
| Truck traffic: | 5% 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: | Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8] |
| Scour condition: | Bridge is scour critical; bridge foundations determined to be unstable. [3] |
| Operating rating: | 19.8 tons [18.0 metric tons] |
| Inventory rating: | 11.9 tons [10.8 metric tons] |
| Evaluation: | Structurally deficient [1] |
| Sufficiency rating: | 46.3 |
| Recommended work: | Replacement of bridge or other structure because of relocation of road. [32] |
| Estimated cost of work: | $669,000 |
1992 Inspection
| Status: | Open, no restriction [A] |
| Average daily traffic: | 100 [as of 1977] |
| Truck traffic: | 5% of total traffic |
| Deck condition: | Poor [4 out of 9] |
| Superstructure condition: | Satisfactory [6 out of 9] |
| Substructure condition: | Fair [5 out of 9] |
| Channel protection: | Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8] |
| Scour condition: | Scour calculation/evaluation has not been made. [6] |
| Operating rating: | 35.6 tons [32.4 metric tons] |
| Inventory rating: | 18.8 tons [17.1 metric tons] |
| Evaluation: | Structurally deficient [1] |
| Sufficiency rating: | 57.5 |
| Recommended work: | Replacement of bridge or other structure because of relocation of road. [32] |
| Estimated cost of work: | $669,000 |