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Bridge Statistics for St. Thomas, North Dakota (ND)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 12Number of bridges
  • 36ft / 11.5mTotal length
  • $83,000Total costs
  • 2,727Total average daily traffic
  • 400Total average daily truck traffic
  • 2,727Total future (year 2033) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for St. Thomas
  • No street view available for this location

New bridges in St. Thomas, ND - historical statistics
  • New bridges - historical statistics
  • 11940-1949
  • 21950-1959
  • 41960-1969
  • 11970-1979
  • 21990-1999
  • 22000-2009
Reconstructed bridges in St. Thomas, ND - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11990-1999
  • 02000-2009
  • 32010-2019
Average Bridge Truck Traffic in St. Thomas, ND
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 42.9%Good
  • 42.9%Satisfactory
  • 14.3%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 71.4%Good
  • 28.6%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 28.6%Satisfactory
  • 28.6%Fair
  • 14.3%Poor
  • 28.6%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 8.3%Very good
  • 58.3%Good
  • 16.7%Satisfactory
  • 16.7%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 20.0%Very good
  • 20.0%Good
  • 40.0%Satisfactory
  • 20.0%Fair
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Structure Number: 3412025,  Location: 3 WEST 2 NORTH ST THOMAS (Lat: 48.651836,  Lng: -97.512867),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Posted for load,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 24 (year 2014),  Average Future Daily Traffic: 24 (year 2034),  Design Load: H 20,  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: COUNTY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Serious,  Channel: Very good,  Operating Rating: 23.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Designated Inspection Frequency: Every 6 months,  Inspection Date: May 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 3412125,  Location: 2 WEST 2 NORTH ST THOMAS (Lat: 48.650303,  Lng: -97.491039),  Route carried "on" structure: County highway ,  Year Built: 1950,  Year Reconstructed: 2016,  Status: Open,  Structure Length: 0.75m (2.46ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2034),  Features Intersected: DRAIN DITCH,  Facility Carried by Structure: COUNTY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.76m (2.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Bridge Improvement Cost: $35,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $53,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 3412225,  Location: 2 NORTH 1 WEST ST THOMAS (Lat: 48.644708,  Lng: -97.476281),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2034),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: COUNTY HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.7m (8.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 64.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 64.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to 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: October 2021
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Structure Number: 3412326,  Location: 1 WEST OF ST. THOMAS (Lat: 48.630233,  Lng: -97.465364),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 24 (year 2014),  Average Future Daily Traffic: 24 (year 2034),  Design Load: HS 20,  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: COUNTY HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.7m (8.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 64.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 64.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021
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Structure Number: 3412428,  Location: 1 EAST 1 SOUTH ST THOMAS (Lat: 48.601214,  Lng: -97.425256),  Route carried "on" structure: County highway ,  Year Built: 1968,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 1.51m (4.95ft),  Average Daily Traffic: 5 (year 2014),  Average Future Daily Traffic: 5 (year 2034),  Features Intersected: DRAIN DITCH,  Facility Carried by Structure: COUNTY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.0m (23.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 48.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 3412527,  Location: 2 EAST OF ST THOMAS (Lat: 48.615453,  Lng: -97.414222),  Route carried "on" structure: County highway ,  Year Built: 1956,  Year Reconstructed: 2015,  Status: Posted for load,  Structure Length: 0.75m (2.46ft),  Average Daily Traffic: 120 (year 2014),  Truck Traffic: 11%,  Average Future Daily Traffic: 120 (year 2034),  Features Intersected: DITCH,  Facility Carried by Structure: COUNTY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 27.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 16.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 3412528,  Location: 2 EAST 1 SOUTH ST THOMAS (Lat: 48.601153,  Lng: -97.404708),  Route carried "on" structure: County highway ,  Year Built: 1946,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2034),  Features Intersected: CREEK,  Facility Carried by Structure: COUNTY HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Poor,  Channel: Fair,  Operating Rating: 52.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.91m (2.99ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $20,000,  Roadway Improvement Cost: $2,000,  Total Project Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 341263,  Location: 3 EAST 3 SOUTH ST THOMAS (Lat: 48.573881,  Lng: -97.386942),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 24 (year 2014),  Average Future Daily Traffic: 24 (year 2034),  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: COUNTY HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Good,  Operating Rating: 61.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021
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Structure Number: 4910505,  Location: 7 NORTH OF PORTLAND (Lat: 48.599511,  Lng: -97.374717),  Route carried "on" structure: County highway ,  Year Built: 1963,  Year Reconstructed: 1990,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2038),  Features Intersected: NORTH BRANCH GOOSE RIVER,  Facility Carried by Structure: COUNTY HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 24.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 17.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 66127894,  Location: 3 EAST OF US 81 (Lat: 48.571667,  Lng: -97.381667),  Route carried "on" structure: State highway 66,  Year Built: 1995,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 560 (year 2019),  Truck Traffic: 29%,  Average Future Daily Traffic: 560 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 205.781,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 67.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019
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Structure Number: 81205657,  Location: 1 NORTH OF ND 66 WEST (Lat: 48.619622,  Lng: -97.456194),  Route carried "on" structure: US 81,  Year Built: 2007,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 580 (year 2013),  Truck Traffic: 21%,  Average Future Daily Traffic: 580 (year 2033),  Design Load: HS 25 or greater,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 330.902,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Inventory Rating: 60.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2020
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Structure Number: 91900087,  Location: SOUTH EDGE ST. THOMAS (Lat: 48.613333,  Lng: -97.448333),  Route carried "on" structure: State highway 91,  Year Built: 1969,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 1,310 (year 2019),  Truck Traffic: 8%,  Average Future Daily Traffic: 1,310 (year 2039),  Design Load: HS 20,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1448.240,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 54.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020
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