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Bridge Statistics for Twin Grove, Illinois (IL)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 14Number of bridges
  • 98ft / 29.8mTotal length
  • 12,950Total average daily traffic
  • 1,138Total average daily truck traffic
  • 18,079Total future (year 2032) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Twin Grove
  • No street view available for this location

New bridges in Twin Grove, IL - historical statistics
  • New bridges - historical statistics
  • 51960-1969
  • 31970-1979
  • 21990-1999
  • 32000-2009
  • 12020-2022
Average Bridge Daily Traffic in Twin Grove, IL
Average Bridge Truck Traffic in Twin Grove, IL
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 9.1%Excellent
  • 9.1%Very good
  • 72.7%Good
  • 9.1%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 9.1%Excellent
  • 18.2%Very good
  • 63.6%Good
  • 9.1%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 9.1%Excellent
  • 36.4%Very good
  • 18.2%Good
  • 9.1%Satisfactory
  • 27.3%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 28.6%Very good
  • 28.6%Good
  • 35.7%Satisfactory
  • 7.1%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 33.3%Very good
  • 66.7%Good
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Structure Number: 57024,  Location: 3.6 MI E IL 122 (Lat: 40.487342,  Lng: -89.105586),  Route carried "on" structure: State highway 9,  Year Built: 2004,  Status: Open,  Structure Length: 4.42m (14.50ft),  Average Daily Traffic: 3,950 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 5,697 (year 2032),  Design Load: HS 20,  Features Intersected: KINGS CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 214.005,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.0m (39.4ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 21.7m (71.2ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 79.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 47.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 572027,  Location: 1.52 MI. E. OF IL122 (Lat: 40.487131,  Lng: -89.144772),  Route carried "on" structure: State highway 9,  Year Built: 2004,  Status: Open,  Structure Length: 1.15m (3.77ft),  Average Daily Traffic: 3,550 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,803 (year 2032),  Design Load: HS 20,  Features Intersected: INTER. STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 210.690,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.0m (39.4ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 89.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 59.9 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2020
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Structure Number: 572028,  Location: 2.17 MI. E.OF IL 122 (Lat: 40.487194,  Lng: -89.133889),  Route carried "on" structure: State highway 9,  Year Built: 2004,  Status: Open,  Structure Length: 0.65m (2.13ft),  Average Daily Traffic: 3,550 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,803 (year 2032),  Design Load: HS 20,  Features Intersected: INTER. STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 211.607,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.0m (39.4ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.2m (10.5ft)

Condition: Channel: Satisfactory,  Culverts: Very good,  Operating Rating: 58.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 35.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  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 2020
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Structure Number: 573018,  Location: 2.5 MILE NE STANFORD (Lat: 40.455781,  Lng: -89.166103),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 2.97m (9.74ft),  Average Daily Traffic: 50 (year 2020),  Average Future Daily Traffic: 66 (year 2032),  Design Load: HS 15,  Features Intersected: MIDDLE FORK SUGAR CR,  Facility Carried by Structure: TR 58
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.193,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.1m (36.4ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 44.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 26.9 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: 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: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 573028,  Location: 2.5 MI ESE STANFORD (Lat: 40.428617,  Lng: -89.155719),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 2.55m (8.37ft),  Average Daily Traffic: 900 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,117 (year 2032),  Design Load: HS 20,  Features Intersected: BRANCH SUGAR CK,  Facility Carried by Structure: FAS481CH32
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.246,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.5m (31.2ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  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: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 5739,  Location: 5.5 MI NW SHIRLEY (Lat: 40.465278,  Lng: -89.146172),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 1.69m (5.54ft),  Average Daily Traffic: 25 (year 2020),  Average Future Daily Traffic: 32 (year 2032),  Design Load: HS 15,  Features Intersected: MIDDLE FORK SUGAR CR,  Facility Carried by Structure: TR 309
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.499,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.0m (13.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 6.2m (20.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 38.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method 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: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 573905,  Location: 3.5 MI E STANFORD (Lat: 40.432758,  Lng: -89.151425),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Open,  Structure Length: 1.73m (5.68ft),  Average Daily Traffic: 50 (year 2020),  Average Future Daily Traffic: 66 (year 2032),  Design Load: HS 15,  Features Intersected: B. MIDDLE FK SUGAR C,  Facility Carried by Structure: TR 72
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.979,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 6.3m (20.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 38.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.3 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: 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: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 573906,  Location: 4.0 MI NW SHIRLEY (Lat: 40.437075,  Lng: -89.124011),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 50 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 112 (year 2032),  Design Load: HS 15,  Features Intersected: B MIDDLE FK SUGAR CR,  Facility Carried by Structure: TR 94
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.626,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 45.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 26.9 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: 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: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 573915,  Location: 5.0 NNW SHIRLEY (Lat: 40.472747,  Lng: -89.107436),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 2.68m (8.79ft),  Average Daily Traffic: 50 (year 2020),  Average Future Daily Traffic: 122 (year 2032),  Design Load: HS 20,  Features Intersected: KINGS MILL CREEK,  Facility Carried by Structure: TR 293
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.481,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: 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: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 573919,  Location: 4.5 MI NW SHIRLEY (Lat: 40.460608,  Lng: -89.124606),  Route carried "on" structure: County highway ,  Year Built: 2020,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 175 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 307 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: KINGS MILL CREEK,  Facility Carried by Structure: TR 94
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.987,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 51.5 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: 39.5 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: Superior 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 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 574303,  Location: 2.3 MI NW 150 & 9 (Lat: 40.505017,  Lng: -89.098831),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Closed,  Structure Length: 2.62m (8.60ft),  Average Daily Traffic: 275 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 503 (year 2032),  Design Load: HS 15,  Features Intersected: KINGS MILL CREEK,  Facility Carried by Structure: TR 229
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.148,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Operating Rating: 48.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 26.6 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 574306,  Location: 1.2 MI NW TWIN GROVE (Lat: 40.500356,  Lng: -89.101478),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 168 (year 2032),  Design Load: HS 15,  Features Intersected: KINGS MILL CREEK,  Facility Carried by Structure: TR 257
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.690,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 27.2 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: 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: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 574307,  Location: 1.3 MI NW TWIN GROVE (Lat: 40.505667,  Lng: -89.097478),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 150 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 195 (year 2032),  Design Load: HS 20,  Features Intersected: KINGS MILL CREEK,  Facility Carried by Structure: TR 118A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.214,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 574398,  Location: 1.2MI NNW TWIN GROVE (Lat: 40.512450,  Lng: -89.083433),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 75 (year 2020),  Average Future Daily Traffic: 88 (year 2032),  Design Load: HS 15,  Features Intersected: KINGS MILL CREEK,  Facility Carried by Structure: TR 134
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.959,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 36.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 22.0 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021
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