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Nearby Bridges in NBI 2021: 2


HARVEY RD over MUSSELSHELL RIVER 018 (Route: 33117)
Num:L33027001+02001x
Posted for load [P]
Built: 1916, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 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: Bituminous [6]
Bridge Dimensions
Length: 43.6 m = 143.1 ft
Main Spans: 1 at 42.7 m = 140.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.7 m = 15.4 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 4.52 m = 14.8 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Musselshell County [065], Montana [30]
Owned by County Highway Agency [02], DOT District: 5
3M SW MELSTONE
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design:
Operating: 20.9 metric ton = 23.0 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 16.3 metric ton = 17.9 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Superior to present desirable criteria [9] 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: 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: 100 (2003) and Trucks: 0%
Future ADT: 100 (In 2026 )
HARVEY RD over MUSSELSHELL RIVER 024 (Route: 27)
Num:L33027000+08281x
Open: no restriction [A]
Built: 2013, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 36.7 m = 120.4 ft
Main Spans: 1 at 36 m = 118.1 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 7.4 m = 24.3 ft (2 Lanes) and Out-To-Out: 8.4 m = 27.6 ft for a 7.8 m = 25.6 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Musselshell County [065], Montana [30]
Owned by County Highway Agency [02], DOT District: 5
3M SW MELSTONE
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59.2 metric ton = 65.1 tons (Load Factor(LF) [1])
Inventory: 35.5 metric ton = 39.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: March 1999 [399] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 10 km = 6.2 mi
Traffic
ADT: 100 (2013) and Trucks: 0%
Future ADT: 120 (In 2023 )

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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