CSAH 61 over KNIFE RIVER (Route: 61)
Num:38519x
Open: no restriction [A]
Built: 2000, 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): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Low slump Concrete [4]

Bridge Dimensions
Length: 39.4 m = 129.3 ft
Main Spans: 1 at 35.6 m = 116.8 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 14.9 m = 48.9 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Two Harbors [65965]: Lake County [075], Minnesota [27]
Owned by County Highway Agency [02], DOT District: 1
AT KNIFE RIVER TOWNSITE

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 89.8 metric ton = 98.8 tons (Load Factor(LF) [1])
Inventory: 39.2 metric ton = 43.1 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
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 1999 [999] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 1350 (2014) and Trucks: 0%
Future ADT: 1350 (In 2039 )

CSAH 38 over KNIFE RIVER (Route: 38)
Num:38510x
Open: no restriction [A]
Built: 1978, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 29.2 m = 95.8 ft
Main Spans: 1 at 28.3 m = 92.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 12.3 m = 40.4 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Two Harbors [65965]: Lake County [075], Minnesota [27]
Owned by County Highway Agency [02], DOT District: 1
0.1 MI NW OF JCT TH 61

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.4 metric ton = 67.5 tons (Load Factor(LF) [1])
Inventory: 33.7 metric ton = 37.1 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Better than present minimum criteria [7]
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: 0.2 km = 0.1 mi
Traffic
ADT: 140 (2010) and Trucks: 0%
Future ADT: 140 (In 2039 )