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

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Structure Number: 15851,  Location: 088080403 (Lat: 42.468269,  Lng: -91.785631),  Route carried "on" structure: County highway ,  Year Built: 2013,  Status: Open,  Structure Length: 5.37m (17.62ft),  Average Daily Traffic: 1,420 (year 2021),  Truck Traffic: 15%,  Average Future Daily Traffic: 1,420 (year 2041),  Design Load: HL 93,  Features Intersected: PINE CREEK,  Facility Carried by Structure: D22 (220TH ST)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.783,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 15861,  Location: 088080305 (Lat: 42.466753,  Lng: -91.764258),  Route carried "on" structure: County highway ,  Year Built: 2013,  Status: Open,  Structure Length: 0.63m (2.07ft),  Average Daily Traffic: 1,420 (year 2021),  Truck Traffic: 15%,  Average Future Daily Traffic: 1,420 (year 2041),  Design Load: HL 93,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: D22 (220TH ST)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.558,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 42.4 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: 32.7 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 15871,  Location: 088080105 (Lat: 42.468497,  Lng: -91.718217),  Route carried "on" structure: County highway ,  Year Built: 2018,  Status: Open,  Structure Length: 6.10m (20.01ft),  Average Daily Traffic: 610 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 610 (year 2040),  Design Load: HL 93,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: D22 200TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.964,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 6.1m (20.0ft),  Right: 6.1m (20.0ft),  Curb-To-Curb Width: 12.1m (39.7ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 78.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Galvanized Reinforcing

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Structure Number: 1588,  Location: 088070501 (Lat: 42.468650,  Lng: -91.695886),  Route carried "on" structure: County highway ,  Year Built: 1927,  Year Reconstructed: 1968,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 610 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 610 (year 2040),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: 220TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.801,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 13.5m (44.3ft),  Out-to-Out Width: 14.0m (45.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 79.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 47.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 81701,  Location: 088070503 (Lat: 42.457764,  Lng: -91.678342),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 1.15m (3.77ft),  Average Daily Traffic: 50 (year 2013),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HL 93,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 228TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.374,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.0m (36.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.7m (28.5ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 42.1 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: 32.4 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,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 81711,  Location: 088070609 (Lat: 42.457692,  Lng: -91.704603),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 50 (year 2013),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.214,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  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: Very good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 88.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.9 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 minimum criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 81931,  Location: 088080901 (Lat: 42.458281,  Lng: -91.787600),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Posted for load,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 60 (year 2021),  Average Future Daily Traffic: 60 (year 2042),  Design Load: HS 20,  Features Intersected: PINE CR,  Facility Carried by Structure: LOCAL 230TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.569,  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: 19.5m (64.0ft),  Curb-To-Curb Width: 6.3m (20.7ft),  Out-to-Out Width: 6.5m (21.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 26.6 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: 20.4 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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Open Grating

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Structure Number: 81941,  Location: 108808 (Lat: 42.450842,  Lng: -91.767914),  Route carried "on" structure: County highway ,  Year Built: 2016,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 90 (year 2021),  Average Future Daily Traffic: 90 (year 2040),  Design Load: HL 93,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 235TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.242,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 68.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 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: 81945,  Location: 088081401 (Lat: 42.443039,  Lng: -91.743453),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 80 (year 2013),  Average Future Daily Traffic: 80 (year 2040),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL 240TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.225,  Lanes on structure: 2,  Owner: County 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)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 32.4 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: 24.9 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020

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Structure Number: 8197,  Location: 088081502 (Lat: 42.436656,  Lng: -91.770839),  Route carried "on" structure: County highway ,  Year Built: 1940,  Year Reconstructed: 2002,  Status: Posted for load-capacity,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 35 (year 2013),  Average Future Daily Traffic: 35 (year 2042),  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.433,  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: 6.3m (20.7ft),  Out-to-Out Width: 6.5m (21.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 45.4 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: 35.0 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: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 5.40m (17.72ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Bridge Improvement Cost: $92,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Open Grating

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Structure Number: 8198,  Location: 088081701 (Lat: 42.443906,  Lng: -91.801436),  Route carried "on" structure: County highway ,  Year Built: 1961,  Status: Open,  Structure Length: 2.35m (7.71ft),  Average Daily Traffic: 15 (year 2013),  Average Future Daily Traffic: 15 (year 2040),  Design Load: H 15,  Features Intersected: PINE CR,  Facility Carried by Structure: LOCAL 240TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.757,  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: 8.8m (28.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.8m (22.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 31.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 20.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  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: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $170,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 8246,  Location: 089070702 (Lat: 42.531625,  Lng: -91.727358),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 1,000 (year 2021),  Truck Traffic: 17%,  Average Future Daily Traffic: 1,000 (year 2041),  Design Load: H 20,  Features Intersected: STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.956,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 37.9 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: 29.2 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.90m (9.51ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $49,000,  Roadway Improvement Cost: $30,000

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Structure Number: 8258,  Location: 089073101 (Lat: 42.483006,  Lng: -91.724056),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 120 (year 2013),  Average Future Daily Traffic: 120 (year 2041),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: LOCAL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.306,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 6.6m (21.7ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 28.8 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: 22.4 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: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 11.20m (36.75ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $190,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 8266,  Location: 089081301 (Lat: 42.526697,  Lng: -91.741697),  Route carried "on" structure: County highway ,  Year Built: 1962,  Status: Open,  Structure Length: 5.15m (16.90ft),  Average Daily Traffic: 90 (year 2021),  Average Future Daily Traffic: 90 (year 2041),  Design Load: H 15,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.264,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.4m (57.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 30.1 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: 19.4 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: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 20.30m (66.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $345,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 8272,  Location: 089082204 (Lat: 42.501464,  Lng: -91.786306),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 60 (year 2021),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.076,  Lanes on structure: 2,  Owner: County 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: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 42.1 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: 32.4 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: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021

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Structure Number: 82731,  Location: 089082511 (Lat: 42.497417,  Lng: -91.729225),  Route carried "on" structure: County highway ,  Year Built: 2002,  Status: Open,  Structure Length: 6.52m (21.39ft),  Average Daily Traffic: 1,000 (year 2021),  Truck Traffic: 17%,  Average Future Daily Traffic: 1,000 (year 2041),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: W45 SLATER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.092,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.5m (77.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 75.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.3 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,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 8276,  Location: 089082803 (Lat: 42.490042,  Lng: -91.806058),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 35 (year 2021),  Average Future Daily Traffic: 35 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.425,  Lanes on structure: 2,  Owner: County 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: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 42.1 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: 32.4 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021

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Structure Number: 8277,  Location: 089082804 (Lat: 42.494131,  Lng: -91.801150),  Route carried "on" structure: County highway ,  Year Built: 1951,  Year Reconstructed: 2017,  Status: Posted for load,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 15 (year 2013),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.454,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 5.8m (19.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Poor,  Operating Rating: 27.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 10.10m (33.14ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $172,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 8278,  Location: 089082907 (Lat: 42.490078,  Lng: -91.809258),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 3.87m (12.70ft),  Average Daily Traffic: 35 (year 2021),  Average Future Daily Traffic: 35 (year 2041),  Design Load: H 15,  Features Intersected: PINE CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.162,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  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: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 31.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 10.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  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 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 36101,  Location: 089071902 (Lat: 42.506561,  Lng: -91.727217),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 1,000 (year 2021),  Truck Traffic: 17%,  Average Future Daily Traffic: 1,000 (year 2041),  Design Load: H 20,  Features Intersected: STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.174,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  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: Fair,  Operating Rating: 42.1 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: 32.4 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.90m (22.64ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $117,000,  Roadway Improvement Cost: $30,000

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Structure Number: 362805,  Location: 088071703 (Lat: 42.441697,  Lng: -91.681111),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 7.41m (24.31ft),  Average Daily Traffic: 70 (year 2013),  Average Future Daily Traffic: 70 (year 2040),  Design Load: H 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: LOCAL 240TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.237,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 25.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 60364,  Location: 1.6 mi. W of jct. SR W40 (Lat: 42.461856,  Lng: -91.784644),  Route carried "on" structure: US 20,  Year Built: 1978,  Status: Open,  Structure Length: 7.41m (24.31ft),  Average Daily Traffic: 3,750 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 3,750 (year 2041),  Design Load: HS 20,  Features Intersected: PINE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 385.868,  Lanes on structure: 2,  Base Highway Network: Yes,  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: 24.7m (81.0ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 65.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 47.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 603645,  Location: 1.6 mi. W of jct. SR W40 (Lat: 42.462092,  Lng: -91.783728),  Route carried "on" structure: US 20,  Year Built: 1978,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 3,750 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 3,750 (year 2041),  Design Load: HS 20,  Features Intersected: PINE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 97.246,  Lanes on 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: 25.0m (82.0ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 65.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 47.6 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,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 60365,  Location: At Jct. SR W40 (Lat: 42.461256,  Lng: -91.753336),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 8.14m (26.71ft),  Average Daily Traffic: 4,250 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 4,250 (year 2041),  Design Load: HS 20,  Features Intersected: US 20,  Facility Carried by Structure: SR W-40
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.157,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  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: 18.3m (60.0ft),  Out-to-Out Width: 19.4m (63.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 75.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 603655,  Location: 3.4 mi. W of Jct. IA #187 (Lat: 42.460258,  Lng: -91.710681),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 11.61m (38.09ft),  Average Daily Traffic: 440 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 440 (year 2040),  Design Load: H 20,  Features Intersected: US 20,  Facility Carried by Structure: FM W-45
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.977,  Lanes on structure: 2,  Lanes under structure: 4,  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: 4,  Length of Maximum Span: 36.9m (121.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 50.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 60366,  Location: 2.3 MI. E OF JCT. SR W40 (Lat: 42.460556,  Lng: -91.708950),  Route carried "on" structure: US 20,  Year Built: 1978,  Status: Open,  Structure Length: 9.30m (30.51ft),  Average Daily Traffic: 3,400 (year 2020),  Truck Traffic: 25%,  Average Future Daily Traffic: 3,400 (year 2040),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 392.094,  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: 4,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 66.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 45.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to 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: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 603665,  Location: 2.3 MI. E OF JCT. SR W40 (Lat: 42.460864,  Lng: -91.707844),  Route carried "on" structure: US 20,  Year Built: 1978,  Status: Open,  Structure Length: 9.30m (30.51ft),  Average Daily Traffic: 3,400 (year 2020),  Truck Traffic: 25%,  Average Future Daily Traffic: 3,400 (year 2040),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 91.004,  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: 4,  Length of Maximum Span: 24.7m (81.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 63.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.9 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: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 60384,  Location: 0.6 MI. W OF Jct. SR W40 (Lat: 42.461625,  Lng: -91.764756),  Route carried "on" structure: US 20,  Year Built: 1979,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 7,500 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 7,500 (year 2040),  Design Load: HS 20,  Features Intersected: DRY CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 387.503,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 20 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 67.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020

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Structure Number: 60365,  Location: At Jct. SR W40 (Lat: 42.461256,  Lng: -91.753336),  Route carried "under" structure: US 20,  Year Built: 1978,  Structure Length: 0. m,  Average Daily Traffic: 6,100 (year 2020),  Truck Traffic: 25%,  Features Intersected: US 20,  Facility Carried by Structure: SR W-40
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 388.436,  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)

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Structure Number: 603655,  Location: 3.4 mi. W of Jct. IA #187 (Lat: 42.460258,  Lng: -91.710681),  Route carried "under" structure: US 20,  Year Built: 1978,  Structure Length: 0. m,  Average Daily Traffic: 6,800 (year 2020),  Truck Traffic: 25%,  Features Intersected: US 20,  Facility Carried by Structure: FM W-45
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 391.915,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.9m (121.1ft)