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Nearby Bridges in NBI 2021: 4


PROJECT AND VISITR over BONNEVILLE DAM (Route: 0)
Num:CEPNPPOR000BD01x
Open: no restriction [A]
Built: 1935, Reconstructed: 1950
Historic: Bridge is on the NRHP. [1]

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): Steel [3] Girder and floorbeam system [03]
Deck: Open Grating [3] with Wearing Surface: Other [9]
Bridge Dimensions
Length: 75.4 m = 247.4 ft
Main Spans: 1 at 30.4 m = 99.7 ft
Approach Spans: 4
Skew: 40
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Multnomah County [051], Oregon [41]
Owned by Corps of Engineers (Civil) [70], DOT District: 0
OLD LOCK SWING BRIDGE
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 35.3 metric ton = 38.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 20.4 metric ton = 22.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Bridge deck rehabilitation with only incidental widening. [36]
Bridge Detour: 2.6 km = 1.6 mi
Traffic
ADT: 1000 (2018) and Trucks: 15%
Future ADT: 1000 (In 2037 )
VISITOR & PROJECT over BONNEVILLE DAM (Route: 0)
Num:CEPNPPOR000BD12x
Open: no restriction [A]
Built: 1992, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Movable - Swing [17]
Approach Span(s): Prestressed concrete [5] 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: 102.9 m = 337.6 ft
Main Spans: 1 at 56.9 m = 186.7 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 24.1 m = 79.1 ft
Location
Unknown [00000]: Multnomah County [051], Oregon [41]
Owned by Corps of Engineers (Civil) [70], DOT District: 0
NEW LOCK SWING BRIDGE
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design:
Operating: 48.3 metric ton = 53.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 30.1 metric ton = 33.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 500 (2018) and Trucks: 10%
Future ADT: 500 (In 2037 )
ACCESS- BRADFD IS over BONNEVILLE DAM (Route: 0)
Num:CEPNPPOR000BD03x
Open: no restriction [A]
Built: 1938, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Stringer/Multi-beam or girder [02]
Approach Span(s): Concrete continuous [2] 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: 45.6 m = 149.6 ft
Main Spans: 3 at 21.3 m = 69.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.4 m = 17.7 ft (2 Lanes) and Out-To-Out: 7.3 m = 24.0 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Multnomah County [051], Oregon [41]
Owned by Corps of Engineers (Civil) [70], DOT District: 0
A-BRANCH FISHLADDER BRIDG
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 27.2 metric ton = 29.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 21.1 metric ton = 23.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: N/A [N]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 83 (2010) and Trucks: 5%
Future ADT: 200 (In 2038 )
VISITOR CENTER BR over BONNEVILLE DAM (Route: 0)
Num:CEPNPPOR000BD02x
Open: no restriction [A]
Built: 1935, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
Approach Span(s): Concrete continuous [2] Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 14.9 m = 48.9 ft
Main Spans: 1 at 12.8 m = 42.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6 m = 19.7 ft (2 Lanes) and Out-To-Out: 8.2 m = 26.9 ft for a 5.4 m = 17.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Multnomah County [051], Oregon [41]
Owned by Corps of Engineers (Civil) [70], DOT District: 0
MAINSTEM FISHLADDER BR.
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: HL93 [A]
Operating: 97.2 metric ton = 106.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 97.2 metric ton = 106.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 1000 (2012) and Trucks: 15%
Future ADT: 1000 (In 2037 )

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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