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Nearby Bridges in NBI 2021: 2


SH 34 over BEAR RIVER;GRACE BRIDGE (Route: 34)
Num:14020x
Open: no restriction [A]
Built: 1974, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 164.9 m = 541.0 ft
Main Spans: 7 at 22.9 m = 75.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 15.7 m = 51.5 ft for a 13.7 m = 44.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Grace [32500]: Caribou County [029], Idaho [16]
Owned by State Highway Agency [01], DOT District: 5
0.6 N. GRACE
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 70.8 metric ton = 77.9 tons (Load Factor(LF) [1])
Inventory: 38.1 metric ton = 41.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present desirable criteria [8]
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: April 2017 [0417] and Frequency: 48
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 2000 (2019) and Trucks: 13%
Future ADT: 3000 (In 2039 )
MINGO ROAD over BENCH CANAL (Route: 0)
Num:23228x
Posted for load [P]
Built: 2012, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Corrugated Steel [6] with Wearing Surface: Gravel [8]
Bridge Dimensions
Length: 13 m = 42.7 ft
Main Spans: 1 at 11.7 m = 38.4 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 9.4 m = 30.8 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Caribou County [029], Idaho [16]
Owned by County Highway Agency [02], DOT District: 5
0.2 N. 0.2 E. GRACE
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 19.1 metric ton = 21.0 tons (Load Factor(LF) [1])
Inventory: 10.9 metric ton = 12.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] 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: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 30 (2019) and Trucks: 15%
Future ADT: 45 (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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