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Nearby Bridges in NBI 2021: 1


CONANT BASIN RD over CROOKED RIVER (Route: 0)
Num:19913 310 00020x
Open: no restriction [A]
Built: 2002, 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): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 37.5 m = 123.0 ft
Main Spans: 1 at 37 m = 121.4 ft
Approach Spans: 0
Skew: 4
Width, Roadway: 7.2 m = 23.6 ft (2 Lanes) and Out-To-Out: 8 m = 26.2 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
Unknown [00000]: Crook County [013], Oregon [41]
Owned by County Highway Agency [02], DOT District: 10
002 MI SOUTH HWY 380
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: HL93 [A]
Operating: 43.7 metric ton = 48.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 33.7 metric ton = 37.1 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: Meets minimum tolerable limits to be left in place as is [4]
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: August 2020 [0820] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 151 (2020) and Trucks: 5%
Future ADT: 172 (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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