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Nearby Bridges in NBI 2021: 2


NOXON AVE E over CABINET GORGE RESV 047 (Route: 45020)
Num:L45260000+01001x
Posted for load [P]
Built: 1922, Reconstructed: 1998
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Corrugated Steel [6] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 182.8 m = 599.8 ft
Main Spans: 3 at 60.3 m = 197.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.3 m = 17.4 ft (1 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 7.7 m = 25.3 ft approaching roadway.
Vertical Clearance: 4.81 m = 15.8 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Sanders County [089], Montana [30]
Owned by County Highway Agency [02], DOT District: 1
NOXON
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 13.5 / HS 15 [3]
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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 5.1 km = 3.2 mi
Traffic
ADT: 100 (2003) and Trucks: 0%
Future ADT: 100 (In 2025 )
KLAKKEN RD over PILGRIM CREEK 053 (Route: 45001)
Num:L45042022+06001x
Open: no restriction [A]
Built: 1972, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface:
Bridge Dimensions
Length: 10.1 m = 33.1 ft
Main Spans: 1 at 9.8 m = 32.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.9 m = 19.4 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Sanders County [089], Montana [30]
Owned by County Highway Agency [02], DOT District: 1
E NOXON
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 32.7 metric ton = 36.0 tons (Unknown [A])
Inventory: 32.7 metric ton = 36.0 tons (Unknown [A])
Appraisal
Structural: Better than present minimum criteria [7]
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: June 2020 [0620] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 4.5 km = 2.8 mi
Traffic
ADT: 100 (2002) and Trucks: 0%
Future ADT: 100 (In 2026 )

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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