Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Concrete [1] Slab [01]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 81.3 m = 266.7 ft
Main Spans: 1 at 73.1 m = 239.8 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 8.9 m = 29.2 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 5.21 m = 17.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Clackamas County [005], Oregon [41]
Owned by State Highway Agency [01], DOT District: 2
22.3 MI SE ESTACADA
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 24.3 metric ton = 26.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 18.8 metric ton = 20.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 8.5 km = 5.3 mi
Traffic
ADT: 470 (2018) and Trucks: 7%
Future ADT: 480 (In 2038
)