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Nearby Bridges in NBI 2021: 1


UNITY ROAD over WEISER RIVER (Route: 0)
Num:28795x
Posted for load [P]
Built: 1910, Reconstructed: 2000
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Corrugated Steel [6] with Wearing Surface: Other [9]
Bridge Dimensions
Length: 92.4 m = 303.2 ft
Main Spans: 2 at 45.7 m = 149.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.5 m = 14.8 ft (1 Lanes) and Out-To-Out: 5.7 m = 18.7 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 4.17 m = 13.7 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Washington County [087], Idaho [16]
Owned by County Highway Agency [02], DOT District: 3
0.7 S. 5.6 E. WEISER
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: M 9 / H 10 [1]
Operating: 28.1 metric ton = 30.9 tons (Load Factor(LF) [1])
Inventory: 16.3 metric ton = 17.9 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 replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: July 2020 [0720] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 150 (2019) and Trucks: 13%
Future ADT: 225 (In 2039 )

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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