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: 18.3 m = 60.0 ft
Main Spans: 1 at 6.1 m = 20.0 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.9 m = 35.8 ft for a 11 m = 36.1 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
15.5 E JCT SR 730
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: M 13.5 / H 15 [2]
Operating: 21.1 metric ton = 23.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 16.2 metric ton = 17.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: March 2018 [0318] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 8290 (2019) and Trucks: 16%
Future ADT: 9284 (In 2039
)
