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Nearby Bridges in NBI 2021: 2


SE DEARDORF RD over B-91 OVER JOHNSON CREEK (Route: 9745)
Num:51C05 000 00001x
Open: no restriction [A]
Built: 1982, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 20.1 m = 65.9 ft
Main Spans: 1 at 19.2 m = 63.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 10.2 m = 33.5 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 4.27 m = 14.0 ft and Navigational Clearance: 0 = N/A
Location
Portland [59000]: Multnomah County [051], Oregon [41]
Owned by City or Municipal Highway Agency [04], DOT District: 2
SE DEARDORF RD COVERED BR
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 40.8 metric ton = 44.9 tons (Allowable Stress(AS) [2])
Inventory: 30.8 metric ton = 33.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
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: 0.6 km = 0.4 mi
Traffic
ADT: 1719 (2020) and Trucks: 2%
Future ADT: 1841 (In 2025 )
SE 142ND AVE over B-51 OVER JOHNSON CREEK (Route: 0)
Num:25B51 000x
Open: no restriction [A]
Built: 1973, Reconstructed: 1979
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Channel beam [22]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 13.4 m = 44.0 ft
Main Spans: 1 at 12.8 m = 42.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5 m = 16.4 ft (1 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 4.9 m = 16.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Portland [59000]: Multnomah County [051], Oregon [41]
Owned by City or Municipal Highway Agency [04], DOT District: 2
S OF SE FOSTER ROAD
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 55.3 metric ton = 60.8 tons (Load Factor(LF) [1])
Inventory: 33.6 metric ton = 37.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 192 (2020) and Trucks: 1%
Future ADT: 206 (In 2025 )

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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