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Nearby Bridges in NBI 2021: 2


OR 18-HWY 483 over South Yamhill River (Route: 18)
Num:06758 039Y04675x
Open: no restriction [A]
Built: 1951, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Concrete [1] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 301.8 m = 990.2 ft
Main Spans: 1 at 36.6 m = 120.1 ft
Approach Spans: 34
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 10.7 m = 35.1 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
McMinnville [45000]: Yamhill County [071], Oregon [41]
Owned by State Highway Agency [01], DOT District: 3
060 MI SW HWY 1W JCT
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Poor [4]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 31.8 metric ton = 35.0 tons (Load Factor(LF) [1])
Inventory: 19.1 metric ton = 21.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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: June 2020 [0620] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 16100 (2018) and Trucks: 2%
Future ADT: 21100 (In 2038 )
Hwy 483 Conn. over Hwy 39 (Route: 18)
Num:08951 039Y04635x
Open: no restriction [A]
Built: 1964, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Box beam or girders - Multiple [05]
Approach Span(s): Concrete [1] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]
Bridge Dimensions
Length: 77.4 m = 253.9 ft
Main Spans: 3 at 21.9 m = 71.9 ft
Approach Spans: 2
Skew: 22
Width, Roadway: 6.7 m = 22.0 ft (1 Lanes) and Out-To-Out: 8.1 m = 26.6 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
McMinnville [45000]: Yamhill County [071], Oregon [41]
Owned by State Highway Agency [01], DOT District: 3
AT MCMINNVILLE SPUR
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 33.6 metric ton = 37.0 tons (Load Factor(LF) [1])
Inventory: 20 metric ton = 22.0 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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: November 2020 [1120] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 7950 (2018) and Trucks: 2%
Future ADT: 10750 (In 2038 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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