Bridge Statistics for Tower Hill, Illinois (IL)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 870004,  Location: WCL TOWER HILL (Lat: 39.390503,  Lng: -88.969211),  Route carried "on" structure: State highway 16,  Year Built: 1924,  Year Reconstructed: 1967,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 4,800 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 5,399 (year 2032),  Design Load: HS 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 163.344,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.2m (46.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 65.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.2 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: 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: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 872003,  Location: .8 MI W ROBINSON CR (Lat: 39.405750,  Lng: -88.909778),  Route carried "on" structure: State highway 16,  Year Built: 1966,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 4,800 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 5,399 (year 2032),  Design Load: HS 20,  Features Intersected: CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 169.733,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 51.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 31.1 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: 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: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 872004,  Location: .1 MI W ROBINSON CR (Lat: 39.406083,  Lng: -88.899269),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 75 (year 2018),  Truck Traffic: 15%,  Average Future Daily Traffic: 87 (year 2032),  Design Load: HS 15,  Features Intersected: STREAM,  Facility Carried by Structure: TR 140
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.878,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Concrete,  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: 87.2 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020

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Structure Number: 873115,  Location: 4.0 MI N TOWER HILL (Lat: 39.449275,  Lng: -88.958150),  Route carried "on" structure: County highway ,  Year Built: 1909,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 25 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 29 (year 2032),  Features Intersected: ANGLE BRANCH,  Facility Carried by Structure: TR 127
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.842,  Lanes on structure: 1,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.3m (27.2ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Serious,  Operating Rating: 34.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 20.4 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: Equal to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873141,  Location: 2.0 MI E TOWERHILL (Lat: 39.391303,  Lng: -88.908258),  Route carried "on" structure: County highway ,  Year Built: 1921,  Status: Open,  Structure Length: 0.80m (2.62ft),  Average Daily Traffic: 25 (year 2018),  Truck Traffic: 4%,  Average Future Daily Traffic: 58 (year 2032),  Features Intersected: STREAM,  Facility Carried by Structure: TR 191
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.621,  Lanes on structure: 1,  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: 7.6m (24.9ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.6m (18.4ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 32.4 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 17.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 0.79m (2.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $168,000,  Roadway Improvement Cost: $19,000,  Total Project Cost: $187,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873151,  Location: 1 MI SW TOWER HILL (Lat: 39.375969,  Lng: -88.966956),  Route carried "on" structure: County highway ,  Year Built: 1909,  Status: Temporarily open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 10 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 12 (year 2032),  Features Intersected: STREAM,  Facility Carried by Structure: TR 211 A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.982,  Lanes on structure: 1,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.6m (15.1ft),  Curb-To-Curb Width: 4.1m (13.5ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Failed,  Superstructure: Failed,  Substructure: Failed,  Channel: Satisfactory,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: High priority of corrective action,  Approach Roadway Alignment: High priority of corrective action,  Length Of Structure Improvement: 0.94m (3.08ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $174,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $194,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 873161,  Location: 3.0 MI SE TOWERHILL (Lat: 39.363169,  Lng: -88.908383),  Route carried "on" structure: County highway ,  Year Built: 1909,  Status: Posted for load,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 50 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 58 (year 2032),  Features Intersected: ROCKY BRANCH,  Facility Carried by Structure: TR 221
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.853,  Lanes on structure: 1,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 4.6m (15.1ft)

Condition: Deck: Satisfactory,  Superstructure: Serious,  Substructure: Fair,  Channel: Fair,  Operating Rating: 12.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 7.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: March 2021,  Critical Feature Inspection Date: March 2021,  Other Special 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: 87331,  Location: 4.0 MI NE TOWERHILL (Lat: 39.434417,  Lng: -88.914083),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 50 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 58 (year 2032),  Design Load: HS 20,  Features Intersected: MUD CREEK,  Facility Carried by Structure: TR 145
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.711,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.6m (47.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Good,  Superstructure: Good,  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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873387,  Location: 3.6 MI NE TOWER HILL (Lat: 39.409928,  Lng: -88.899289),  Route carried "on" structure: County highway ,  Year Built: 1981,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 75 (year 2018),  Truck Traffic: 15%,  Average Future Daily Traffic: 87 (year 2032),  Design Load: HS 20,  Features Intersected: MUD CREEK,  Facility Carried by Structure: TR 140
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.444,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  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: 20.4m (66.9ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Poor,  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: Equal to present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873409,  Location: 3.4 MI NE TOWER HILL (Lat: 39.434550,  Lng: -88.942447),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 25 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 29 (year 2032),  Design Load: HS 20,  Features Intersected: MUD CREEK TRIB,  Facility Carried by Structure: TR 145
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.265,  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: 3.0m (9.8ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Channel: Fair,  Culverts: Very good,  Operating Rating: 72.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 43.4 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019

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Structure Number: 873421,  Location: 2.5 MI SE TOWER HILL (Lat: 39.376650,  Lng: -88.915994),  Route carried "on" structure: County highway ,  Year Built: 1983,  Status: Temporarily open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 125 (year 2018),  Truck Traffic: 18%,  Average Future Daily Traffic: 87 (year 2032),  Features Intersected: ROBINSON CREEK TRIB,  Facility Carried by Structure: TR 211 A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.423,  Lanes on structure: 1,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Failed,  Superstructure: Failed,  Substructure: Failed,  Channel: Fair,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 0.67m (2.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $123,000,  Roadway Improvement Cost: $14,000,  Total Project Cost: $137,000,  Deck Structure Type: Wood or Timber

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Structure Number: 873446,  Location: 1 MI SE OF TOWERHILL (Lat: 39.376467,  Lng: -88.933992),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 0.75m (2.46ft),  Average Daily Traffic: 125 (year 2018),  Truck Traffic: 18%,  Average Future Daily Traffic: 87 (year 2032),  Design Load: HS 20,  Features Intersected: BR OF ROBINSON CREEK,  Facility Carried by Structure: TR 211 A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.862,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.8m (9.2ft)

Condition: Channel: Satisfactory,  Culverts: Very 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019

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Structure Number: 873459,  Location: 2 MI E DOLLVILLE (Lat: 39.434597,  Lng: -88.950253),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 0.66m (2.17ft),  Average Daily Traffic: 25 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 29 (year 2032),  Design Load: HS 20,  Features Intersected: MUD CREEK,  Facility Carried by Structure: TR 145
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.589,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Poor,  Culverts: Very 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019

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Structure Number: 873475,  Location: 3 MI S OF TOWER HILL (Lat: 39.342036,  Lng: -88.969856),  Route carried "on" structure: County highway ,  Year Built: 1995,  Status: Open,  Structure Length: 2.47m (8.10ft),  Average Daily Traffic: 900 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,161 (year 2032),  Design Load: HS 20,  Features Intersected: BECK'S CREEK BRANCH,  Facility Carried by Structure: FAS 713
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.858,  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: 8.9m (29.2ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

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: 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: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up

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Structure Number: 873485,  Location: 2.5 MI S TOWER HILL (Lat: 39.347150,  Lng: -88.958358),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 25 (year 2018),  Truck Traffic: 4%,  Average Future Daily Traffic: 87 (year 2032),  Design Load: HS 20,  Features Intersected: BECK'S CREEK,  Facility Carried by Structure: TR 267
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.435,  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: 1,  Length of Maximum Span: 16.4m (53.8ft),  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: 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: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873497,  Location: 1.8 MI N LAKEWOOD (Lat: 39.325433,  Lng: -88.931650),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 1.85m (6.07ft),  Average Daily Traffic: 325 (year 2018),  Truck Traffic: 2%,  Average Future Daily Traffic: 319 (year 2032),  Design Load: HS 20,  Features Intersected: MITCHELL CREEK,  Facility Carried by Structure: CH 12
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.785,  Lanes on structure: 2,  Owner: County 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: 1,  Length of Maximum Span: 17.3m (56.8ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: 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: Better than 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 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873506,  Location: 3.5 MI SE TOWERHILL (Lat: 39.371008,  Lng: -88.899203),  Route carried "on" structure: County highway ,  Year Built: 2001,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 100 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 145 (year 2032),  Design Load: HS 20,  Features Intersected: ROBINSON CREEK,  Facility Carried by Structure: TR 140
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.757,  Lanes on structure: 2,  Owner: Town or Township 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: 13.0m (42.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: 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: Better than 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 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873532,  Location: 3.5 MI NE TOWERHILL (Lat: 39.420275,  Lng: -88.911208),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 3.29m (10.79ft),  Average Daily Traffic: 50 (year 2018),  Truck Traffic: 20%,  Average Future Daily Traffic: 87 (year 2032),  Design Load: HS 20,  Features Intersected: MUD CREEK,  Facility Carried by Structure: TR 173
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.547,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.1m (49.5ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: 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: Better than 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 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873536,  Location: 3.8 MI NE TOWER HILL (Lat: 39.442753,  Lng: -88.936306),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 1.75m (5.74ft),  Average Daily Traffic: 75 (year 2018),  Truck Traffic: 13%,  Average Future Daily Traffic: 145 (year 2032),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: TR 112A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.003,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.1m (56.1ft),  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: 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: April 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 873537,  Location: 2.3 MI NE TOWER HILL (Lat: 39.418361,  Lng: -88.936433),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 2.36m (7.74ft),  Average Daily Traffic: 125 (year 2018),  Truck Traffic: 50%,  Average Future Daily Traffic: 145 (year 2032),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: TR 112B
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.770,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.1m (72.5ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 7.3m (24.0ft)

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: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 87357,  Location: 2 MI SW TOWER HILL (Lat: 39.361300,  Lng: -88.975133),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 2.17m (7.12ft),  Average Daily Traffic: 75 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 116 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: STREAM,  Facility Carried by Structure: TR 231
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.943,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.9m (68.6ft),  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: 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: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 87501,  Location: 0.5 MI S TOWER HILL (Lat: 39.367006,  Lng: -88.963567),  Route carried "on" structure: County highway ,  Year Built: 1939,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,050 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 1,335 (year 2032),  Features Intersected: BECK'S CREEK,  Facility Carried by Structure: FAS 713(CH 15)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.961,  Lanes on structure: 2,  Owner: County 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: 3.7m (12.1ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 40.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 87503,  Location: 1.3 MI SW TOWER HILL (Lat: 39.383017,  Lng: -88.984356),  Route carried "on" structure: County highway ,  Year Built: 1909,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 450 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 697 (year 2032),  Features Intersected: STREAM,  Facility Carried by Structure: TR 213I
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.720,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Channel: Serious,  Culverts: Fair,  Operating Rating: 40.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 0.82m (2.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $71,000,  Roadway Improvement Cost: $12,000,  Total Project Cost: $83,000

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Structure Number: 875051,  Location: 3.8 Mi NE Tower Hill (Lat: 39.420314,  Lng: -88.900711),  Route carried "on" structure: County highway ,  Year Built: 2013,  Status: Open,  Structure Length: 1.05m (3.44ft),  Average Daily Traffic: 50 (year 2018),  Truck Traffic: 20%,  Average Future Daily Traffic: 87 (year 2032),  Features Intersected: Stream,  Facility Carried by Structure: TR 173
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.448,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.9m (9.5ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 33.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 20.1 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,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 876004,  Location: IN TOWER HILL (Lat: 39.383308,  Lng: -88.965594),  Route carried "on" structure: County highway ,  Year Built: 2001,  Status: Open,  Structure Length: 2.14m (7.02ft),  Average Daily Traffic: 450 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 697 (year 2032),  Design Load: HS 20,  Features Intersected: BECK'S CREEK,  Facility Carried by Structure: CEMETARY ST M3100
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.329,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 9.0m (29.5ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: 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: Better than 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 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel