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

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Structure Number: 2116,  Location: 8.6 mi N of jct US 61 (Lat: 41.970483,  Lng: -90.809439),  Route carried "on" structure: State highway 136,  Year Built: 1952,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 770 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 770 (year 2040),  Design Load: H 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 62.818,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 10.6m (34.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 57.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 21171,  Location: 1.4 mi S of Jct. SR Y 32 (Lat: 41.967667,  Lng: -90.831872),  Route carried "on" structure: State highway 136,  Year Built: 1978,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 760 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 760 (year 2040),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 64.766,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  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: 12.3m (40.4ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 58.1 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: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present minimum 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: 122821,  Location: 082E10102 (Lat: 41.941997,  Lng: -90.801017),  Route carried "on" structure: County highway ,  Year Built: 2020,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 30 (year 2014),  Average Future Daily Traffic: 30 (year 2041),  Design Load: HL 93,  Features Intersected: DRAINAGE,  Facility Carried by Structure: 160TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.773,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  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: 80.0 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: 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 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 122832,  Location: 082E10201 (Lat: 41.945708,  Lng: -90.815569),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 1.25m (4.10ft),  Average Daily Traffic: 50 (year 2014),  Average Future Daily Traffic: 50 (year 2042),  Design Load: H 20,  Features Intersected: DD NO 11,  Facility Carried by Structure: 160TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.874,  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: 11.9m (39.0ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 44.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.8 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 122842,  Location: 082E10401 (Lat: 41.945942,  Lng: -90.849611),  Route carried "on" structure: County highway ,  Year Built: 2016,  Status: Open,  Structure Length: 1.55m (5.09ft),  Average Daily Traffic: 30 (year 2014),  Average Future Daily Traffic: 30 (year 2041),  Design Load: HL 93,  Features Intersected: DD #23,  Facility Carried by Structure: 160TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.051,  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: 14.9m (48.9ft),  Curb-To-Curb Width: 9.0m (29.5ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 62.5 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: 48.3 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 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: 122921,  Location: 082E11401 (Lat: 41.916622,  Lng: -90.816281),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 380 (year 2018),  Truck Traffic: 15%,  Average Future Daily Traffic: 380 (year 2040),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH 11,  Facility Carried by Structure: E-63
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.030,  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: 14.3m (46.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 70.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.3 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: 123121,  Location: 082E20501 (Lat: 41.945472,  Lng: -90.750525),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 1.25m (4.10ft),  Average Daily Traffic: 35 (year 2014),  Average Future Daily Traffic: 35 (year 2040),  Design Load: HS 20,  Features Intersected: DD #12,  Facility Carried by Structure: 160TH ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.265,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 59.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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,  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: 123141,  Location: 082E20801 (Lat: 41.930953,  Lng: -90.755869),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 20 (year 2014),  Average Future Daily Traffic: 20 (year 2040),  Design Load: H 20,  Features Intersected: DRAINAGE,  Facility Carried by Structure: 170TH ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.298,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 54.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.8 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,  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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 124522,  Location: 083E10404 (Lat: 42.007767,  Lng: -90.861208),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 1.45m (4.76ft),  Average Daily Traffic: 45 (year 2014),  Average Future Daily Traffic: 45 (year 2041),  Design Load: HS 20,  Features Intersected: RAT RUN CREEK,  Facility Carried by Structure: 118TH ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.474,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 88.8 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: 68.4 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: Superior to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 124541,  Location: 083E12202 (Lat: 41.980792,  Lng: -90.840094),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 60 (year 2014),  Average Future Daily Traffic: 60 (year 2041),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 130TH AVE.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.197,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 53.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 124552,  Location: 083E12504 (Lat: 41.971203,  Lng: -90.801094),  Route carried "on" structure: County highway ,  Year Built: 2013,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 35 (year 2014),  Average Future Daily Traffic: 35 (year 2039),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: 150TH AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.015,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 62.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 37.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 124572,  Location: 083E13204 (Lat: 41.951475,  Lng: -90.862353),  Route carried "on" structure: County highway ,  Year Built: 2002,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 50 (year 2014),  Average Future Daily Traffic: 50 (year 2041),  Design Load: HS 20,  Features Intersected: DD #23,  Facility Carried by Structure: 120TH AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.376,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.0m (45.9ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $75,000,  Roadway Improvement Cost: $1,000,  Deck Structure Type: Aluminum,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 12458,  Location: 083E13403 (Lat: 41.960356,  Lng: -90.831256),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 2.35m (7.71ft),  Average Daily Traffic: 20 (year 2014),  Average Future Daily Traffic: 20 (year 2039),  Design Load: HS 20,  Features Intersected: DRAINAGE,  Facility Carried by Structure: 150TH ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.322,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 46.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 26.6 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: Equal to present desirable criteria,  Length Of Structure Improvement: 2.40m (7.87ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2019,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $1,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 124591,  Location: 083E13502 (Lat: 41.952931,  Lng: -90.820506),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 460 (year 2018),  Average Future Daily Traffic: 460 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: 140TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.031,  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: 8.8m (28.9ft),  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: 86.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.7 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: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 124601,  Location: 083E13509 (Lat: 41.960244,  Lng: -90.811708),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 80 (year 2018),  Average Future Daily Traffic: 80 (year 2039),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: 150TH ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.941,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: 9.4m (30.8ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 85.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.0 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.70m (8.86ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2019,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 124881,  Location: 083E23202 (Lat: 41.952753,  Lng: -90.761925),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 35 (year 2014),  Average Future Daily Traffic: 35 (year 2039),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 170TH AVE.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.512,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 59.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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 48 months,  Inspection Date: December 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 365305,  Location: 082E21801 (Lat: 41.916397,  Lng: -90.774919),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 30 (year 2014),  Average Future Daily Traffic: 30 (year 2040),  Design Load: HS 20,  Features Intersected: WATERWAY,  Facility Carried by Structure: 180TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.494,  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: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 58.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior 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