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Nearby Bridges in NBI 2021: 1


ANTELOP CREEK RD over JUDITH RIVER 008 (Route: 23006)
Num:L23006001+00001x
Open: no restriction [A]
Built: 2011, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
Approach Span(s): Other [00]
Deck: Other [9] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 28.2 m = 92.5 ft
Main Spans: 1 at 26 m = 85.3 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.5 m = 24.6 ft (2 Lanes) and Out-To-Out: 8.5 m = 27.9 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]: Judith Basin County [045], Montana [30]
Owned by County Highway Agency [02], DOT District: 5
1M S UTICA
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 49 metric ton = 53.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 37.7 metric ton = 41.5 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
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 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.9 km = 1.8 mi
Traffic
ADT: 100 (2003) and Trucks: 0%
Future ADT: 100 (In 2027 )

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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