HistoricBridges.org Menu: HistoricBridges.org Menu:



BridgeSeek

Nearby Bridges in NBI 2021: 2


HWY 1W SB over TUALATIN RIVER (Route: 99)
Num:01417S01W 01220x
Open: no restriction [A]
Built: 1929, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Deck [09]
Approach Span(s): Concrete continuous [2] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 156.5 m = 513.5 ft
Main Spans: 1 at 45.7 m = 149.9 ft
Approach Spans: 9
Skew: 0
Width, Roadway: 8.2 m = 26.9 ft (2 Lanes) and Out-To-Out: 12 m = 39.4 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
Tualatin [74950]: Washington County [067], Oregon [41]
Owned by State Highway Agency [01], DOT District: 2
0.5 MI S OF KING CITY CC
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 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])
Inventory: 16.2 metric ton = 17.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 15400 (2018) and Trucks: 3%
Future ADT: 19200 (In 2038 )
OR 99W(HWY 001W)NB over TUALATIN RIVER (Route: 99)
Num:01417N01W 01218x
Open: no restriction [A]
Built: 1955, 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): Concrete continuous [2] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 141.2 m = 463.3 ft
Main Spans: 7 at 30.5 m = 100.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9 m = 29.5 ft (2 Lanes) and Out-To-Out: 11.3 m = 37.1 ft for a 9 m = 29.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Tualatin [74950]: Washington County [067], Oregon [41]
Owned by State Highway Agency [01], DOT District: 2
0.5 MI S OF KING CITY CC
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 29.9 metric ton = 32.9 tons (Load Factor(LF) [1])
Inventory: 18.1 metric ton = 19.9 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 foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 15400 (2018) and Trucks: 3%
Future ADT: 19200 (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.

Divider

Back

Top

Divider

About - Contact

Divider