Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Concrete [1] Slab [01]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 47.5 m = 155.8 ft
Main Spans: 2 at 15.2 m = 49.9 ft
Approach Spans: 2
Skew: 24
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.7 m = 35.1 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Walla Walla County [071], Washington [53]
Owned by State Highway Agency [01], DOT District: 5
12.0 E JCT SR 730
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 36.3 metric ton = 39.9 tons (Load Factor(LF) [1])
Inventory: 21.8 metric ton = 24.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
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 1999 [699] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 8081 (2019) and Trucks: 15%
Future ADT: 9050 (In 2039
)
