Bridge Statistics for Mason City, Illinois (IL)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 630001,  Location: 1.5M N MENARD COUNTY (Lat: 40.153592,  Lng: -89.735589),  Route carried "on" structure: State highway 29,  Year Built: 1959,  Status: Open,  Structure Length: 0.97m (3.18ft),  Average Daily Traffic: 1,600 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 2,067 (year 2032),  Design Load: HS 20,  Features Intersected: SLEEPY HOLLOW DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 117.173,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 17.4m (57.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 89.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 89.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 632007,  Location: 1.0 MI W JCT I29/10 (Lat: 40.207000,  Lng: -89.732875),  Route carried "on" structure: State highway 10,  Year Built: 1927,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,150 (year 2021),  Truck Traffic: 17%,  Average Future Daily Traffic: 1,251 (year 2032),  Design Load: HS 20,  Features Intersected: DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.203,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 6 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 57.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 34.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  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 24 months,  Inspection Date: January 2021

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Structure Number: 633033,  Location: 4 M SW MASON CITY (Lat: 40.163981,  Lng: -89.755150),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 275 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 326 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: SLEEPY HALLOW DITCH,  Facility Carried by Structure: FAS 1595 (CH 19)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.932,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Structural Evaluation: Equal to present desirable 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 48 months,  Inspection Date: October 2018,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 634203,  Location: 1.5M SW MASON CITY (Lat: 40.178628,  Lng: -89.722464),  Route carried "on" structure: County highway ,  Year Built: 1983,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 175 (year 2019),  Truck Traffic: 23%,  Average Future Daily Traffic: 163 (year 2032),  Design Load: HS 20,  Features Intersected: SW MASON CITY DITCH,  Facility Carried by Structure: TR 171
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.759,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.1m (16.7ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.4m (27.6ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  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: July 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 634208,  Location: 4 SW OF MASON CITY (Lat: 40.175008,  Lng: -89.759819),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Temporarily open,  Structure Length: 1.65m (5.41ft),  Average Daily Traffic: 25 (year 2019),  Truck Traffic: 32%,  Average Future Daily Traffic: 27 (year 2032),  Design Load: HS 20,  Features Intersected: SLEEPY HOLLOW DITCH,  Facility Carried by Structure: TR 208
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.418,  Lanes on structure: 2,  Owner: Town or Township 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: 15.7m (51.5ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Serious,  Substructure: Good,  Channel: Satisfactory,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: High priority of corrective action,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: August 2020,  Other Special Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 634301,  Location: 3 MI ENE MASON CITY (Lat: 40.224125,  Lng: -89.638925),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 25 (year 2019),  Truck Traffic: 12%,  Average Future Daily Traffic: 32 (year 2032),  Design Load: HS 20,  Features Intersected: BECKER DITCH,  Facility Carried by Structure: TR 125
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.722,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 3.0m (9.8ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.6m (31.5ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  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 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Precast Panels

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Structure Number: 634308,  Location: 3 MI SE MASON CITY (Lat: 40.180719,  Lng: -89.640908),  Route carried "on" structure: County highway ,  Year Built: 1900,  Year Reconstructed: 1978,  Status: Open,  Structure Length: 1.14m (3.74ft),  Average Daily Traffic: 50 (year 2019),  Average Future Daily Traffic: 54 (year 2032),  Features Intersected: ROGERS DITCH,  Facility Carried by Structure: TR 268
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.432,  Lanes on structure: 1,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.7m (15.4ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.6m (34.8ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 35.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 21.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 634317,  Location: 3 MI NE MASON CITY (Lat: 40.218094,  Lng: -89.630983),  Route carried "on" structure: County highway ,  Year Built: 1983,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 50 (year 2019),  Average Future Daily Traffic: 27 (year 2032),  Design Load: H 20,  Features Intersected: PRARIE CREEK BRANCH,  Facility Carried by Structure: TR 125
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.042,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.6m (54.5ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 63.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 634803,  Location: 3.5MI SW MASON CITY (Lat: 40.178564,  Lng: -89.760261),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 1.65m (5.41ft),  Average Daily Traffic: 50 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 109 (year 2032),  Design Load: HS 20,  Features Intersected: SLEEPY HOLLOW BRANCH,  Facility Carried by Structure: TR 171
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.540,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.9m (19.4ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.7m (51.5ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: 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 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 653073,  Location: 5.0 MI NE GREENVIEW (Lat: 40.155625,  Lng: -89.672953),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 17.40m (57.09ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 135 (year 2032),  Design Load: HS 20,  Features Intersected: SALT CREEK,  Facility Carried by Structure: FAS 1571
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 64.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: 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,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: September 2021,  Underwater Inspection Date: August 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 639901,  Location: 2 M NE MASON CITY (Lat: 40.225158,  Lng: -89.648189),  Route carried "under" structure: County highway ,  Year Built: 1931,  Structure Length: 0. m,  Average Daily Traffic: 25 (year 2019),  Truck Traffic: 12%,  Features Intersected: TR 125,  Facility Carried by Structure: C&NW RR
Minimum Vertical Clearance: 3.40m (11.15ft),  Kilometerpoint: 0.821,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 8.8m (28.9ft)