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Nearby Bridges in NBI 2021: 2


US 71 over BIG FORK RIVER (N CHAN) (Route: 71)
Num:36011x
Open: no restriction [A]
Built: 1979, 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): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 1 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 14.3 m = 46.9 ft (2 Lanes) and Out-To-Out: 19.6 m = 64.3 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
South Koochiching [61433]: Koochiching County [071], Minnesota [27]
Owned by State Highway Agency [01], DOT District: 1
0.4 MI N OF JCT TH 6
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.6 metric ton = 109.6 tons (Load Factor(LF) [1])
Inventory: 63.2 metric ton = 69.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Superior to present desirable criteria [9]
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: June 1999 [699] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.8 km = 9.8 mi
Traffic
ADT: 1351 (2019) and Trucks: 31%
Future ADT: 1100 (In 2039 )
US 71 over BIG FORK RIVER (S CHAN) (Route: 71)
Num:36012x
Open: no restriction [A]
Built: 1979, 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): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 38.1 m = 125.0 ft
Main Spans: 1 at 36.6 m = 120.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 14.3 m = 46.9 ft (2 Lanes) and Out-To-Out: 19.6 m = 64.3 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
South Koochiching [61433]: Koochiching County [071], Minnesota [27]
Owned by State Highway Agency [01], DOT District: 1
0.3 MI N OF JCT TH 6
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.6 metric ton = 109.6 tons (Load Factor(LF) [1])
Inventory: 74.5 metric ton = 82.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.8 km = 9.8 mi
Traffic
ADT: 1351 (2019) and Trucks: 31%
Future ADT: 1100 (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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