Bridge Type
Main Span(s): Steel [3] Truss - Deck [09]
Approach Span(s): Prestressed concrete [5] Slab [01]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]
Bridge Dimensions
Length: 102.1 m = 335.0 ft
Main Spans: 2 at 36.6 m = 120.1 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 9.5 m = 31.2 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Malheur County [045], Oregon [41]
Owned by State Highway Agency [01], DOT District: 14
13.21 MI. NE JCT. OR 78
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 23 metric ton = 25.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 17.8 metric ton = 19.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
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: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 1500 (2018) and Trucks: 48%
Future ADT: 1700 (In 2038
)
