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Nearby Bridges in NBI 2021: 1


LAYNG ROAD over ROW RIVER (Route: 0)
Num:39C222254200138x
Open: no restriction [A]
Built: 1979, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Other [9] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 55.8 m = 183.1 ft
Main Spans: 2 at 27.4 m = 89.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9 m = 29.5 ft (2 Lanes) and Out-To-Out: 9.9 m = 32.5 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Lane County [039], Oregon [41]
Owned by County Highway Agency [02], DOT District: 5
040 MI EAST COTTAGE GROVE
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 34.7 metric ton = 38.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 26.9 metric ton = 29.6 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.4 km = 0.2 mi
Traffic
ADT: 492 (2020) and Trucks: 10%
Future ADT: 562 (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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