Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 43.6 m = 143.1 ft
Main Spans: 3 at 17.4 m = 57.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.1 m = 36.4 ft (2 Lanes) and Out-To-Out: 12.2 m = 40.0 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Columbia County [013], Washington [53]
Owned by State Highway Agency [01], DOT District: 5
2.0 E WALLA WAL CO
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 60.8 metric ton = 66.9 tons (Load Factor(LF) [1])
Inventory: 36.3 metric ton = 39.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 1.4 km = 0.9 mi
Traffic
ADT: 4704 (2019) and Trucks: 18%
Future ADT: 5155 (In 2039
)
