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Nearby Bridges in NBI 2021: 1


STORM CASTLE ROAD over GALLATIN RIVER (Route: 132)
Num:11106000000011x
Posted for load [P]
Built: 1935, Reconstructed: 1989
Historic: Historical significance is not determinable at this time. [4]

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Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Concrete [1] Frame [07]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 45.1 m = 148.0 ft
Main Spans: 1 at 29.3 m = 96.1 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 5.5 m = 18.0 ft (1 Lanes) and Out-To-Out: 6.6 m = 21.7 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Gallatin County [031], Montana [30]
Owned by U.S. Forest Service [64], DOT District: 0
STORM CASTLE CREEK
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 13.9 metric ton = 15.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 10.7 metric ton = 11.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 99 (0) and Trucks: 0%
Future ADT: 148 (In 2041 )

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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