Bridge Type
Main Span(s): Steel [3] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 8 m = 26.2 ft
Main Spans: 1 at 8 m = 26.2 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 0 m = 0.0 ft (3 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 18.9 m = 62.0 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 State Highway Agency [01], DOT District: 1
12M N WYE INT
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 48.1 metric ton = 52.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 36.3 metric ton = 39.9 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: N/A [N]
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: February 2021 [0221] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 8671 (2019) and Trucks: 5%
Future ADT: 9191 (In 2039
)
