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Bridge Statistics for St. Mary, Missouri (MO)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 148ft / 44.5mTotal length
  • $436,000Total costs
  • 35,680Total average daily traffic
  • 7,946Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for St. Mary
  • No street view available for this location

New bridges in St. Mary, MO - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 11940-1949
  • 11950-1959
  • 51970-1979
  • 22000-2009
  • 12010-2019
Average Bridge Daily Traffic in St. Mary, MO
Average Bridge Truck Traffic in St. Mary, MO
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 11.1%Excellent
  • 22.2%Very good
  • 44.4%Good
  • 22.2%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 11.1%Excellent
  • 22.2%Very good
  • 44.4%Good
  • 11.1%Satisfactory
  • 11.1%Serious
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 11.1%Excellent
  • 33.3%Very good
  • 22.2%Good
  • 22.2%Satisfactory
  • 11.1%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 12.5%Excellent
  • 37.5%Good
  • 25.0%Satisfactory
  • 25.0%Fair
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Structure Number: 13765,  Location: S 86 T 36 N R 10 E (Lat: 37.850572,  Lng: -89.934392),  Route carried "on" structure: County highway 47,  Year Built: 1940,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 35 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 47 (year 2041),  Features Intersected: ST LAURENT CR,  Facility Carried by Structure: COUNTY RD 930
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.644,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.2m (17.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb-To-Curb Width: 4.1m (13.5ft),  Out-to-Out Width: 4.1m (13.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 19.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 9.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than 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),  Length Of Structure Improvement: 0.16m (0.52ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Bridge Improvement Cost: $115,000,  Roadway Improvement Cost: $12,000,  Total Project Cost: $173,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 13775,  Location: S 86 T 36 N R 10 E (Lat: 37.845986,  Lng: -89.929089),  Route carried "on" structure: County highway 47,  Year Built: 1950,  Year Reconstructed: 1984,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 35 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 47 (year 2041),  Features Intersected: CREEK,  Facility Carried by Structure: COUNTY RD 930
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.609,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 5.4m (17.7ft),  Out-to-Out Width: 5.4m (17.7ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 36.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 22.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 2119,  Location: S 3015 T 36 N R 9 E (Lat: 37.831844,  Lng: -89.983375),  Route carried "on" structure: Interstate 55,  Year Built: 1970,  Year Reconstructed: 1984,  Status: Open,  Structure Length: 9.88m (32.41ft),  Average Daily Traffic: 9,954 (year 2021),  Truck Traffic: 22%,  Average Future Daily Traffic: 18,913 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: SALINE CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 112.778,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.4m (40.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 45.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: 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,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete,  Membrane: Built-up,  Deck Protection: Internally Sealed
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Structure Number: 212,  Location: S 3015 T 36 N R 9 E (Lat: 37.832047,  Lng: -89.983214),  Route carried "on" structure: Interstate 55,  Year Built: 1970,  Year Reconstructed: 1984,  Status: Open,  Structure Length: 9.88m (32.41ft),  Average Daily Traffic: 5,636 (year 2021),  Truck Traffic: 22%,  Average Future Daily Traffic: 10,708 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: SALINE CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 224.847,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.4m (40.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 45.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: 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,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete,  Membrane: Built-up,  Deck Protection: Other
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Structure Number: 2121,  Location: S 3015 T 36 N R 9 E (Lat: 37.828869,  Lng: -89.979586),  Route carried "on" structure: County highway 830,  Year Built: 1970,  Status: Open,  Structure Length: 7.53m (24.70ft),  Average Daily Traffic: 66 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 92 (year 2041),  Design Load: H 15,  Features Intersected: IS 55
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.890,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 26.2m (86.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 27.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 16.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Other Special Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 23059,  Location: S 1862 T 37 N R 10 E (Lat: 37.873828,  Lng: -89.940875),  Route carried "on" structure: City street ,  Year Built: 1920,  Status: Posted for load,  Structure Length: 1.68m (5.51ft),  Average Daily Traffic: 10 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 14 (year 2040),  Design Load: HS 20,  Features Intersected: LAUREN CR,  Facility Carried by Structure: 2ND ST. ST MARYS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.322,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.8m (51.8ft),  Curb-To-Curb Width: 4.2m (13.8ft),  Out-to-Out Width: 4.3m (14.1ft)

Condition: Deck: Excellent,  Superstructure: Serious,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 6.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 3.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 0.24m (0.79ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Critical Feature Inspection Date: Febuary 2022,  Bridge Improvement Cost: $175,000,  Roadway Improvement Cost: $18,000,  Total Project Cost: $263,000 ( Estimate for 2022),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 29632,  Location: S 3221 T 37 N R 9 E (Lat: 37.901419,  Lng: -89.978219),  Route carried "on" structure: US 61,  Year Built: 2003,  Status: Open,  Structure Length: 9.51m (31.20ft),  Average Daily Traffic: 2,224 (year 2021),  Truck Traffic: 21%,  Average Future Daily Traffic: 3,114 (year 2041),  Design Load: HS 20,  Features Intersected: SALINE CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 379.022,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 45.7m (149.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Excellent,  Channel: Good,  Operating Rating: 72.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to 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: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 30962,  Location: S 962 T 36 N R 10 E (Lat: 37.853792,  Lng: -89.932897),  Route carried "on" structure: County highway 930,  Year Built: 2005,  Status: Open,  Structure Length: 1.95m (6.40ft),  Average Daily Traffic: 35 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 47 (year 2041),  Design Load: HS 20,  Features Intersected: ST LAURENT CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.2m (63.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 57.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to 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: January 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 34327,  Location: S 962 T 34 N R 10 E (Lat: 37.860283,  Lng: -89.938053),  Route carried "on" structure: State highway H,  Year Built: 2013,  Status: Open,  Structure Length: 2.19m (7.19ft),  Average Daily Traffic: 2,095 (year 2021),  Truck Traffic: 29%,  Average Future Daily Traffic: 2,933 (year 2041),  Features Intersected: ST. LAURENT CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.355,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Very good,  Superstructure: Excellent,  Substructure: Very good,  Channel: Good,  Operating Rating: 67.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 2121,  Location: S 3015 T 36 N R 9 E (Lat: 37.828869,  Lng: -89.979586),  Route carried "under" structure: Interstate 55,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 9,954 (year 2021),  Truck Traffic: 22%,  Features Intersected: IS 55,  Facility Carried by Structure: 830 E
Minimum Vertical Clearance: 5.00m (16.40ft),  Kilometerpoint: 113.304,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 26.2m (86.0ft)

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Structure Number: 2121,  Location: S 3015 T 36 N R 9 E (Lat: 37.828869,  Lng: -89.979586),  Route carried "under" structure: Interstate 55,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 5,636 (year 2021),  Truck Traffic: 22%,  Features Intersected: IS 55,  Facility Carried by Structure: 830 E
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 224.428,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 26.2m (86.0ft)

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