Bridge Statistics for De Witt, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 20801,  Location: 081E41603 (Lat: 41.822567,  Lng: -90.495908),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 1,840 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 1,840 (year 2042),  Design Load: HS 20,  Features Intersected: AMES CREEK,  Facility Carried by Structure: 245TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.744,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 76.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 43.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum 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 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 2087,  Location: 081E43106 (Lat: 41.775572,  Lng: -90.535728),  Route carried "on" structure: County highway ,  Year Built: 1922,  Year Reconstructed: 1958,  Status: Open,  Structure Length: 8.38m (27.49ft),  Average Daily Traffic: 2,080 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 2,080 (year 2041),  Design Load: H 20,  Features Intersected: WAPSI RIVER OVERFLOW,  Facility Carried by Structure: CO RD Y-68
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.881,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 14.0m (45.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Fair,  Operating Rating: 45.2 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: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 31.00m (101.71ft),  Designated Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: April 2021,  Underwater Inspection Date: September 2017,  Bridge Improvement Cost: $880,000,  Roadway Improvement Cost: $88,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 4701,  Location: 080E40604 (Lat: 41.766056,  Lng: -90.534611),  Route carried "on" structure: County highway ,  Year Built: 1965,  Year Reconstructed: 1986,  Status: Open,  Structure Length: 11.16m (36.61ft),  Average Daily Traffic: 2,080 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 2,080 (year 2041),  Design Load: HS 20,  Features Intersected: WAPSIPINICON RIVER,  Facility Carried by Structure: CO RD Y-68
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.821,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 30.8m (101.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Operating Rating: 65.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 36.60m (120.08ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: May 2021,  Underwater Inspection Date: September 2017,  Bridge Improvement Cost: $840,000,  Roadway Improvement Cost: $84,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 122031,  Location: 000000000 (Lat: 41.848464,  Lng: -90.587533),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 1.71m (5.61ft),  Average Daily Traffic: 540 (year 2018),  Truck Traffic: 26%,  Average Future Daily Traffic: 540 (year 2040),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 260TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.542,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.1m (56.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 84.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Superior 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: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122041,  Location: 081E30208 (Lat: 41.846914,  Lng: -90.577756),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 200 (year 2014),  Truck Traffic: 7%,  Average Future Daily Traffic: 200 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: 225TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.353,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 76.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.7 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122071,  Location: 081E31404 (Lat: 41.819342,  Lng: -90.587594),  Route carried "on" structure: County highway ,  Year Built: 1995,  Status: Open,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 570 (year 2018),  Truck Traffic: 14%,  Average Future Daily Traffic: 570 (year 2040),  Design Load: HS 20,  Features Intersected: CLEAR CREEK,  Facility Carried by Structure: 260TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.308,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Very good,  Operating Rating: 69.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.9 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 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 12208,  Location: 081E31504 (Lat: 41.821378,  Lng: -90.607072),  Route carried "on" structure: County highway ,  Year Built: 1962,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 80 (year 2014),  Average Future Daily Traffic: 80 (year 2042),  Design Load: H 20,  Features Intersected: CLEAR CREEK,  Facility Carried by Structure: 250TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.540,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 27.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122142,  Location: 081E32305 (Lat: 41.811131,  Lng: -90.575544),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 4.88m (16.01ft),  Average Daily Traffic: 540 (year 2018),  Truck Traffic: 25%,  Average Future Daily Traffic: 540 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: 252ND ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 12216,  Location: 081E32503 (Lat: 41.796858,  Lng: -90.562897),  Route carried "on" structure: County highway ,  Year Built: 1952,  Status: Posted for load-capacity,  Structure Length: 6.22m (20.41ft),  Average Daily Traffic: 120 (year 2014),  Average Future Daily Traffic: 120 (year 2042),  Design Load: H 20,  Features Intersected: WEST SILVER CREEK,  Facility Carried by Structure: 262ND ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.806,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.8m (78.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 27.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 16.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122261,  Location: 081E33404 (Lat: 41.783169,  Lng: -90.597350),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2042),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: 255TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.494,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Fair,  Channel: Fair,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 42.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 122302,  Location: 081E33504 (Lat: 41.780961,  Lng: -90.582819),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 1.20m (3.94ft),  Average Daily Traffic: 60 (year 2014),  Average Future Daily Traffic: 60 (year 2040),  Design Load: HL 93,  Features Intersected: CREEK,  Facility Carried by Structure: 262ND AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.157,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 50.9 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122323,  Location: 081E33604 (Lat: 41.774931,  Lng: -90.568317),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 30 (year 2014),  Average Future Daily Traffic: 30 (year 2040),  Design Load: HL 93,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 270TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.449,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.8m (35.4ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 64.5 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: 49.6 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: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122352,  Location: 000000000 (Lat: 41.785867,  Lng: -90.554308),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 220 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 220 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: 270TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.022,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  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: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 85.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.0 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122401,  Location: 081E40502 (Lat: 41.856678,  Lng: -90.529369),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 1,090 (year 2018),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,090 (year 2041),  Design Load: HS 20,  Features Intersected: AMES CREEK,  Facility Carried by Structure: 290TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.577,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 59.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 39.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $200,000,  Roadway Improvement Cost: $50,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122421,  Location: 081E40906 (Lat: 41.833419,  Lng: -90.498967),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 3.11m (10.20ft),  Average Daily Traffic: 70 (year 2018),  Average Future Daily Traffic: 70 (year 2042),  Design Load: H 20,  Features Intersected: AMES CREEK,  Facility Carried by Structure: 308TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.907,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 50.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122451,  Location: 081E42104 (Lat: 41.803344,  Lng: -90.510119),  Route carried "on" structure: County highway ,  Year Built: 2004,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 520 (year 2014),  Average Future Daily Traffic: 520 (year 2041),  Design Load: HS 20,  Features Intersected: AMES CREEK,  Facility Carried by Structure: 300TH AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.912,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 89.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.5 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122471,  Location: 081E42901 (Lat: 41.800603,  Lng: -90.517006),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 470 (year 2018),  Average Future Daily Traffic: 470 (year 2040),  Design Load: HS 20,  Features Intersected: AMES CREEK,  Facility Carried by Structure: 262ND ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.694,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 89.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.2 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 123661,  Location: 082E33503 (Lat: 41.869281,  Lng: -90.581444),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 410 (year 2018),  Truck Traffic: 26%,  Average Future Daily Traffic: 410 (year 2040),  Design Load: HS 20,  Features Intersected: WEST SILVER CREEK,  Facility Carried by Structure: 212TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.107,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 72.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.4 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 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 123891,  Location: 082E42903 (Lat: 41.880361,  Lng: -90.520708),  Route carried "on" structure: County highway ,  Year Built: 2019,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 35 (year 2014),  Average Future Daily Traffic: 35 (year 2042),  Design Load: HL 93,  Features Intersected: CREEK,  Facility Carried by Structure: 205TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.941,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 97.2 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: 97.2 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 123902,  Location: 00000 (Lat: 41.873000,  Lng: -90.540583),  Route carried "on" structure: County highway ,  Year Built: 2011,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 120 (year 2014),  Average Future Daily Traffic: 120 (year 2040),  Design Load: HS 20,  Features Intersected: AMES CREEK,  Facility Carried by Structure: 210TH ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.574,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 56.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 12391,  Location: 082E43303 (Lat: 41.865831,  Lng: -90.509828),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 470 (year 2018),  Truck Traffic: 14%,  Average Future Daily Traffic: 470 (year 2041),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: 215TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.484,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Good,  Inventory Rating: 64.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $40,000,  Roadway Improvement Cost: $10,000

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Structure Number: 60281,  Location: 3.5 MI E OF E JCT US 61 (Lat: 41.807558,  Lng: -90.500469),  Route carried "on" structure: US 30,  Year Built: 1974,  Status: Open,  Structure Length: 4.88m (16.01ft),  Average Daily Traffic: 4,100 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 4,100 (year 2040),  Design Load: HS 20,  Features Intersected: AMES CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 504.957,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 81.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than 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 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 602812,  Location: 3.5 MI E OF E JCT US 61 (Lat: 41.807814,  Lng: -90.499894),  Route carried "on" structure: US 30,  Year Built: 1974,  Status: Open,  Structure Length: 4.88m (16.01ft),  Average Daily Traffic: 4,100 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 4,100 (year 2040),  Design Load: HS 20,  Features Intersected: AMES CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.557,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 83.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than 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 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 60282,  Location: 5.8 MI. E OF S JCT. US 61 (Lat: 41.813717,  Lng: -90.457600),  Route carried "on" structure: US 30,  Year Built: 1974,  Status: Open,  Structure Length: 11.77m (38.62ft),  Average Daily Traffic: 4,100 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 4,100 (year 2040),  Design Load: HS 20,  Features Intersected: UP RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 508.633,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 45.1m (148.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 48.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 602822,  Location: 5.8 MI. E OF S JCT. US 61 (Lat: 41.814242,  Lng: -90.456653),  Route carried "on" structure: US 30,  Year Built: 1974,  Status: Open,  Structure Length: 11.77m (38.62ft),  Average Daily Traffic: 4,100 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 4,100 (year 2040),  Design Load: HS 20,  Features Intersected: UP RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.846,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 45.1m (148.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 47.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 602852,  Location: 1.1 MI. N OF N JCT. US 30 (Lat: 41.842183,  Lng: -90.568794),  Route carried "on" structure: US 61,  Year Built: 1974,  Status: Open,  Structure Length: 4.60m (15.09ft),  Average Daily Traffic: 4,500 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 4,500 (year 2041),  Design Load: HS 20,  Features Intersected: 225TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 81.761,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.1m (56.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 61.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 44.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  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,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 60449,  Location: 2.8 miles S of U.S. 30 (Lat: 41.768153,  Lng: -90.567661),  Route carried "on" structure: US 61,  Year Built: 1981,  Status: Open,  Structure Length: 8.63m (28.31ft),  Average Daily Traffic: 8,050 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 8,050 (year 2040),  Design Load: HS 20,  Features Intersected: WAPSIPINICON OVERFLOW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 220.129,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 47.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than 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: May 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: 6045,  Location: 2.8 miles S of U.S.30 (Lat: 41.768947,  Lng: -90.567919),  Route carried "on" structure: US 61,  Year Built: 1981,  Status: Open,  Structure Length: 8.63m (28.31ft),  Average Daily Traffic: 8,050 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 8,050 (year 2040),  Design Load: HS 20,  Features Intersected: WAPSIPINICON OVERFLOW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 89.911,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 47.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than 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: May 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: 60451,  Location: 2.4 MI. S OF S Jct. US 30 (Lat: 41.774781,  Lng: -90.567492),  Route carried "on" structure: US 61,  Year Built: 1981,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 16,100 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 16,100 (year 2041),  Design Load: HS 20,  Features Intersected: DD #15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 220.866,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 21 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 36.0 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: 27.9 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: Better than 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: July 2021

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Structure Number: 60454,  Location: 2.4 Mi N Of SR F33 (Lat: 41.762383,  Lng: -90.567981),  Route carried "on" structure: US 61,  Year Built: 1981,  Status: Open,  Structure Length: 19.20m (62.99ft),  Average Daily Traffic: 8,150 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 8,150 (year 2040),  Design Load: HS 20,  Features Intersected: WAPSIPINICON RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 219.489,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 41.8m (137.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 59.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: August 2017,  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: 60455,  Location: 2.4 Mi. N of S.R. F33 (Lat: 41.764125,  Lng: -90.568178),  Route carried "on" structure: US 61,  Year Built: 1981,  Status: Open,  Structure Length: 19.20m (62.99ft),  Average Daily Traffic: 8,050 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 8,050 (year 2040),  Design Load: HS 20,  Features Intersected: WAPSIPINICON RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 90.447,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 41.8m (137.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 59.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than 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,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: August 2017,  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: 60463,  Location: 1.8 MI. N OF SR F33. (Lat: 41.753569,  Lng: -90.568458),  Route carried "on" structure: US 61,  Year Built: 1981,  Status: Open,  Structure Length: 8.63m (28.31ft),  Average Daily Traffic: 8,150 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 8,150 (year 2041),  Design Load: HS 20,  Features Intersected: WAPSIPINICON BAYOU
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 218.509,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 46.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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 48 months,  Inspection Date: September 2021,  Underwater Inspection Date: September 2019,  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: 604635,  Location: 1.8 MI. N OF SR F 33 (Lat: 41.754367,  Lng: -90.568747),  Route carried "on" structure: US 61,  Year Built: 1981,  Status: Open,  Structure Length: 8.63m (28.31ft),  Average Daily Traffic: 8,150 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 8,150 (year 2041),  Design Load: HS 20,  Features Intersected: WAPSIPINICON BAYOU
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 91.531,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Underwater Inspection Date: September 2019,  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: 60515,  Location: 1.6 MI.S.of S. Jct.US 30 (Lat: 41.785486,  Lng: -90.568056),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 8.23m (27.00ft),  Average Daily Traffic: 130 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 130 (year 2040),  Design Load: H 20,  Features Intersected: US 61,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.876,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 28.0m (91.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 90.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 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: 602852,  Location: 1.1 MI. N OF N JCT. US 30 (Lat: 41.842183,  Lng: -90.568794),  Route carried "under" structure: County highway ,  Year Built: 1974,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2014),  Truck Traffic: 7%,  Features Intersected: 225TH STREET,  Facility Carried by Structure: SB US 61
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.308,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.1m (56.1ft)

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Structure Number: 60515,  Location: 1.6 MI.S.of S. Jct.US 30 (Lat: 41.785486,  Lng: -90.568056),  Route carried "under" structure: US 61,  Year Built: 1984,  Structure Length: 0. m,  Average Daily Traffic: 16,100 (year 2020),  Truck Traffic: 16%,  Features Intersected: US 61,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 222.048,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.0m (91.9ft)