Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 45.4 m = 149.0 ft
Main Spans: 3 at 22.9 m = 75.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.8 m = 28.9 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Benton County [003], Oregon [41]
Owned by County Highway Agency [02], DOT District: 4
0001 MI W OF 06530
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 74.4 metric ton = 81.8 tons (Load Factor(LF) [1])
Inventory: 44.5 metric ton = 49.0 tons (Load Factor(LF) [1])
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 minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.4 km = 0.9 mi
Traffic
ADT: 175 (2020) and Trucks: 20%
Future ADT: 247 (In 2040
)
