Bridge Type
Main Span(s): Concrete [1] Arch - Thru [12]
Approach Span(s): Concrete [1] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 51.2 m = 168.0 ft
Main Spans: 1 at 33.5 m = 109.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 7.6 m = 24.9 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 6.17 m = 20.2 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Jefferson County [031], Washington [53]
Owned by State Highway Agency [01], DOT District: 3
25.1 S JCT SR 104
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: M 13.5 / H 15 [2]
Operating: 23 metric ton = 25.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 17.8 metric ton = 19.6 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 desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 2772 (2019) and Trucks: 12%
Future ADT: 3769 (In 2039
)
