Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 111.6 m = 366.2 ft
Main Spans: 2 at 49.7 m = 163.1 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 5.3 m = 17.4 ft (2 Lanes) and Out-To-Out: 7.2 m = 23.6 ft for a 5.3 m = 17.4 ft approaching roadway.
Vertical Clearance: 4.93 m = 16.2 ft and Navigational Clearance: 0 = N/A
Location
Troutdale [74850]: Multnomah County [051], Oregon [41]
Owned by State Highway Agency [01], DOT District: 2
AT TROUTDALE
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 10.4 metric ton = 11.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 8.1 metric ton = 8.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 3.4 km = 2.1 mi
Traffic
ADT: 1500 (2018) and Trucks: 8%
Future ADT: 3800 (In 2038
)