Bridge Type
Main Span(s): Steel [3] Movable - Lift [15]
Approach Span(s): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 1282.7 m = 4208.5 ft
Main Spans: 2 at 46.5 m = 152.6 ft
Approach Spans: 50
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.6 m = 34.8 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 4.95 m = 16.2 ft and Navigational Clearance: 24.4 m = 80.1 ft
Location
Astoria [03150]: Clatsop County [007], Oregon [41]
Owned by State Highway Agency [01], DOT District: 1
AT SMITH POINT
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 14.3 metric ton = 15.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 11 metric ton = 12.1 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 foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.7 km = 0.4 mi
Traffic
ADT: 20500 (2018) and Trucks: 5%
Future ADT: 22300 (In 2038
)