Bridge Type
Main Span(s): Aluminum: Wrought Iron or Cast Iron [9] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 8.5 m = 27.9 ft
Main Spans: 1 at 8.5 m = 27.9 ft
Approach Spans: 0
Skew: 26
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Walla Walla [99071]: Walla Walla County [071], Washington [53]
Owned by County Highway Agency [02], DOT District: 5
3.08 N SR 124
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 40.5 metric ton = 44.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 31.1 metric ton = 34.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present desirable criteria [8]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 2.9 km = 1.8 mi
Traffic
ADT: 100 (2020) and Trucks: 15%
Future ADT: 120 (In 2040
)
