Bridge Type
Main Span(s): Concrete continuous [2] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 70.1 m = 230.0 ft
Main Spans: 4 at 21.3 m = 69.9 ft
Approach Spans: 0
Skew: 22
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 11.9 m = 39.0 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Monroe [49600]: Benton County [003], Oregon [41]
Owned by State Highway Agency [01], DOT District: 4
IN MONROE
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 15.2 metric ton = 16.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 11.7 metric ton = 12.9 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: Meets minimum tolerable limits to be left in place as is [4]
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 Detour: 0.7 km = 0.4 mi
Traffic
ADT: 5400 (2018) and Trucks: 18%
Future ADT: 5700 (In 2038
)
