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Nearby Bridges in NBI 2021: 1


NW ALEXANDRA AVE over B-14 OVER CANYON (Route: 0)
Num:25B14 000x
Posted for load [P]
Built: 1922, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Concrete [1] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]
Bridge Dimensions
Length: 82.9 m = 272.0 ft
Main Spans: 1 at 45.7 m = 149.9 ft
Approach Spans: 8
Skew: 0
Width, Roadway: 4.9 m = 16.1 ft (1 Lanes) and Out-To-Out: 6.9 m = 22.6 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
Portland [59000]: Multnomah County [051], Oregon [41]
Owned by City or Municipal Highway Agency [04], DOT District: 2
W END OF NW GORDON ST
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 9 / H 10 [1]
Operating: 11 metric ton = 12.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 8.4 metric ton = 9.2 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: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: N/A [N] and Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Inspections
Date: September 2020 [0920] and Frequency: 12
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: 137 (2020) and Trucks: 1%
Future ADT: 151 (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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