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Bridge Statistics for Bertha, Minnesota (MN)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 14Number of bridges
  • 56ft / 17.3mTotal length
  • $97,001,000Total costs
  • 3,918Total average daily traffic
  • 41Total average daily truck traffic
  • 3,927Total future (year 2027) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Bertha
  • No street view available for this location

New bridges in Bertha, MN - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 11930-1939
  • 21970-1979
  • 11980-1989
  • 21990-1999
  • 62000-2009
  • 12010-2019
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 50.0%Good
  • 50.0%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 50.0%Good
  • 50.0%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 64.3%Very good
  • 14.3%Good
  • 14.3%Satisfactory
  • 7.1%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 25.0%Very good
  • 58.3%Good
  • 8.3%Satisfactory
  • 8.3%Fair
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Structure Number: 2352,  Location: 0.35 MI S OF JCT CSAH 5 (Lat: 43.806389,  Lng: -92.188531),  Route carried "on" structure: County highway 7,  Year Built: 1975,  Status: Open,  Structure Length: 5.14m (16.86ft),  Average Daily Traffic: 245 (year 2017),  Average Future Daily Traffic: 245 (year 2039),  Design Load: HS 20,  Features Intersected: MID BR ROOT RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 12.8m (42.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 51.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 3836,  Location: 0.5 MI W OF JCT CSAH1 (Lat: 46.266647,  Lng: -95.115447),  Route carried "on" structure: County highway 24,  Year Built: 1922,  Status: Open,  Structure Length: 1.30m (4.27ft),  Average Daily Traffic: 310 (year 2014),  Average Future Daily Traffic: 310 (year 2039),  Design Load: HS 20,  Features Intersected: WING RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.1m (39.7ft),  Curb-To-Curb Width: 11.2m (36.7ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 54.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 6004,  Location: 3.0 MI E OF HEWITT (Lat: 46.325175,  Lng: -95.025742),  Route carried "on" structure: State highway 210,  Year Built: 1936,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 821 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 830 (year 2039),  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 39.2 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Allowable Stress Design (ASD) reported in metric tons,  Inventory Rating: 29.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Allowable Stress Design (ASD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.34m (1.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $63,000,000,  Total Project Cost: $22,000,000
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Structure Number: 77J35,  Location: 0.1 MI E OF JCT CSAH 23 (Lat: 46.310689,  Lng: -95.026183),  Route carried "on" structure: County highway 227,  Year Built: 2001,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 50 (year 2000),  Average Future Daily Traffic: 50 (year 2029),  Design Load: HS 25 or greater,  Features Intersected: Little Partridge River
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 53.9 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 35.9 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2020
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Structure Number: 77J4,  Location: 0.5 mi W of jct CSAH 1 (Lat: 46.237736,  Lng: -95.116508),  Route carried "on" structure: County highway 344,  Year Built: 2001,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 20 (year 2001),  Average Future Daily Traffic: 20 (year 2029),  Design Load: HS 25 or greater,  Features Intersected: Wing River
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2019
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Structure Number: 77J47,  Location: 0.3 mi W of jct CSAH 11 (Lat: 46.266800,  Lng: -94.978614),  Route carried "on" structure: County highway 24,  Year Built: 2001,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 750 (year 2014),  Average Future Daily Traffic: 750 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: Partridge River
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.40m (1.31ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2019,  Bridge Improvement Cost: $78,000,000
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Structure Number: 77J55,  Location: 0.8 MI E OF JCT TH 71 (Lat: 46.252064,  Lng: -95.045656),  Route carried "on" structure: County highway 336,  Year Built: 2004,  Status: Open,  Structure Length: 0.90m (2.95ft),  Average Daily Traffic: 75 (year 2003),  Average Future Daily Traffic: 75 (year 2029),  Design Load: HS 25 or greater,  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.2m (13.8ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 58.8 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 39.2 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.43m (1.41ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2019,  Bridge Improvement Cost: $76,000,000,  Roadway Improvement Cost: $1,000,  Total Project Cost: $1,000
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Structure Number: 77J64,  Location: 0.5 MI E JCT US 71 (Lat: 46.237536,  Lng: -95.051994),  Route carried "on" structure: County highway 344,  Year Built: 2006,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 87 (year 2005),  Average Future Daily Traffic: 87 (year 2029),  Design Load: HS 25 or greater,  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 58.8 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2019
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Structure Number: 77J66,  Location: 0.4 MI W OF JCT CSAH 1 (Lat: 46.252169,  Lng: -95.113425),  Route carried "on" structure: County highway 336,  Year Built: 2008,  Status: Open,  Structure Length: 1.12m (3.67ft),  Average Daily Traffic: 59 (year 2007),  Average Future Daily Traffic: 59 (year 2027),  Design Load: HS 25 or greater,  Features Intersected: WING RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2019
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Structure Number: 77J74,  Location: 0.4 MI N OF JCT CSAH 30 (Lat: 46.301492,  Lng: -95.029206),  Route carried "on" structure: County highway 23,  Year Built: 2011,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 375 (year 2014),  Average Future Daily Traffic: 375 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.5m (11.5ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2018
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Structure Number: 96428,  Location: 1.2 MI S OF JCT CR 76 (Lat: 46.281761,  Lng: -95.033347),  Route carried "on" structure: County highway 23,  Year Built: 1987,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 335 (year 2014),  Average Future Daily Traffic: 335 (year 2039),  Design Load: HS 20,  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 39.2 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 29.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020
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Structure Number: 9643,  Location: 1.5 MI E OF JCT TH 71 (Lat: 46.266583,  Lng: -95.037200),  Route carried "on" structure: County highway 24,  Year Built: 1990,  Status: Open,  Structure Length: 0.90m (2.95ft),  Average Daily Traffic: 750 (year 2014),  Average Future Daily Traffic: 750 (year 2039),  Design Load: HS 20,  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 58.8 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 39.2 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2018
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Structure Number: 97766,  Location: 0.1 MI W OF JCT CSAH 23 (Lat: 46.296361,  Lng: -95.031525),  Route carried "on" structure: County highway 325,  Year Built: 1994,  Status: Open,  Structure Length: 0.90m (2.95ft),  Average Daily Traffic: 20 (year 1994),  Average Future Daily Traffic: 20 (year 2029),  Design Load: HS 25 or greater,  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.5m (11.5ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 53.9 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Allowable Stress Design (ASD) reported in metric tons,  Inventory Rating: 35.9 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Allowable Stress Design (ASD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2018
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Structure Number: L9447,  Location: 0.3 MI E OF JCT TH 71 (Lat: 46.223072,  Lng: -95.057639),  Route carried "on" structure: County highway 345,  Year Built: 1973,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 21 (year 1970),  Average Future Daily Traffic: 21 (year 2029),  Features Intersected: LITTLE PARTRIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.2m (7.2ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 39.2 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Allowable Stress Design (ASD) reported in metric tons,  Inventory Rating: 26.1 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Allowable Stress Design (ASD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.40m (1.31ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $60,000,000,  Roadway Improvement Cost: $5,000,000,  Total Project Cost: $75,000,000
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