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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 52.4 m = 171.9 ft
Main Spans: 3 at 20.7 m = 67.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.2 m = 26.9 ft (2 Lanes) and Out-To-Out: 9.2 m = 30.2 ft for a 8.2 m = 26.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Clatsop County [007], Oregon [41]
Owned by State Highway Agency [01], DOT District: 1
022 MI S SEASIDE S C LMTS
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 38.1 metric ton = 41.9 tons (Load Factor(LF) [1])
Inventory: 22.7 metric ton = 25.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
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: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 5.2 km = 3.2 mi
Traffic
ADT: 12000 (2018) and Trucks: 5%
Future ADT: 14000 (In 2038
)
