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Nearby Bridges in NBI 2021: 2


HWY 10 W over NINEMILE CREEK 035 (Route: 81008)
Num:L32166004+05001x
Open: no restriction [A]
Built: 1924, 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): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 37.8 m = 124.0 ft
Main Spans: 3 at 14.9 m = 48.9 ft
Approach Spans: 0
Skew: 40
Width, Roadway: 6.4 m = 21.0 ft (2 Lanes) and Out-To-Out: 6.7 m = 22.0 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 9.14 m = 30.0 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Missoula County [063], Montana [30]
Owned by State Highway Agency [01], DOT District: 1
3M W HUSON
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 62.1 metric ton = 68.3 tons (Load Factor(LF) [1])
Inventory: 37.1 metric ton = 40.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 143 (2019) and Trucks: 0%
Future ADT: 150 (In 2039 )
W NINEMILE RD over NINEMILE CREEK 030 (Route: 32003)
Num:L32003000+01001x
Open: no restriction [A]
Built: 1975, Reconstructed: 1980
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 26.5 m = 86.9 ft
Main Spans: 1 at 25.9 m = 85.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.6 m = 28.2 ft (2 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Missoula County [063], Montana [30]
Owned by County Highway Agency [02], DOT District: 1
8M NW FRENCHTOWN
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49.8 metric ton = 54.8 tons (Unknown [A])
Inventory: 32.7 metric ton = 36.0 tons (Unknown [A])
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 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: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 440 (2019) and Trucks: 0%
Future ADT: 462 (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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