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Nearby Bridges in NBI 2021: 2


MN 70 over ST CROIX RIVER (Route: 70)
Num:58004x
Open: no restriction [A]
Built: 1991, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] 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: 184.5 m = 605.3 ft
Main Spans: 6 at 32.6 m = 107.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.8 m = 38.7 ft (2 Lanes) and Out-To-Out: 14.5 m = 47.6 ft for a 11.9 m = 39.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Rock Creek [54934]: Pine County [115], Minnesota [27]
Owned by State Highway Agency [01], DOT District: 1
AT WISC ST LINE
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 76.1 metric ton = 83.7 tons (Load Factor(LF) [1])
Inventory: 45.5 metric ton = 50.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 8 km = 5.0 mi
Traffic
ADT: 4250 (2016) and Trucks: 11%
Future ADT: 4250 (In 2039 )
STH 70 over ST CROIX RIVER 08 (Route: 70)
Num:B07002000000000x
Open: no restriction [A]
Built: 1991, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] 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: 184.5 m = 605.3 ft
Main Spans: 6 at 32.6 m = 107.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.8 m = 38.7 ft (2 Lanes) and Out-To-Out: 14.5 m = 47.6 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
Grantsburg [30475]: Burnett County [013], Wisconsin [55]
Owned by State Highway Agency [01], DOT District: 8
AT MINNESOTA STATE LINE
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 80 metric ton = 88.0 tons (Load Factor(LF) [1])
Inventory: 47 metric ton = 51.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 4.8 km = 3.0 mi
Traffic
ADT: 3800 (2018) and Trucks: 12%
Future ADT: 3125 (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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