Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 346.5 m = 1136.9 ft
Main Spans: 3 at 76.2 m = 250.0 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 34.6 m = 113.5 ft (7 Lanes) and Out-To-Out: 36.4 m = 119.4 ft for a 34.6 m = 113.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 22.9 m = 75.1 ft
Location
Unknown [00000]: Clackamas County [005], Oregon [41]
Owned by State Highway Agency [01], DOT District: 2
AT WILLAMETTE RIVER
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Inventory: 26.3 metric ton = 28.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: January 2020 [0120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2 km = 1.2 mi
Traffic
ADT: 131700 (2018) and Trucks: 14%
Future ADT: 150200 (In 2038
)
