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


  • National Bridge Inventory (NBI) Statistics
  • 16Number of bridges
  • 102ft / 31.2mTotal length
  • 7,100Total average daily traffic
  • 751Total average daily truck traffic
  • 7,100Total future (year 2040) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Grand Mound
  • No street view available for this location

New bridges in Grand Mound, IA - historical statistics
  • New bridges - historical statistics
  • 11950-1959
  • 21960-1969
  • 11970-1979
  • 31980-1989
  • 31990-1999
  • 22000-2009
  • 32010-2019
  • 12020-2022
Average Bridge Daily Traffic in Grand Mound, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 21.4%Excellent
  • 35.7%Very good
  • 14.3%Satisfactory
  • 21.4%Fair
  • 7.1%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 28.6%Excellent
  • 35.7%Very good
  • 21.4%Good
  • 7.1%Satisfactory
  • 7.1%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 21.4%Excellent
  • 28.6%Very good
  • 35.7%Good
  • 7.1%Satisfactory
  • 7.1%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 12.5%Excellent
  • 25.0%Very good
  • 37.5%Good
  • 18.8%Satisfactory
  • 6.3%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 50.0%Good
  • 50.0%Satisfactory
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Structure Number: 20781,  Location: 1.5 MI. E OF SR Y54 (Lat: 41.825644,  Lng: -90.618386),  Route carried "on" structure: US 30,  Year Built: 1976,  Status: Open,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 4,450 (year 2020),  Truck Traffic: 14%,  Average Future Daily Traffic: 4,450 (year 2040),  Design Load: HS 20,  Features Intersected: PASCALS CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 492.881,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 50.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: 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: December 2020
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Structure Number: 12153,  Location: 080E20104 (Lat: 41.760950,  Lng: -90.682744),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 700 (year 2018),  Average Future Daily Traffic: 700 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH 5,  Facility Carried by Structure: 210TH AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.684,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 4 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: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Poor,  Operating Rating: 50.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.3 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: Febuary 2021,  Bridge Improvement Cost: $130,000,  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: 121551,  Location: 080E20205 (Lat: 41.766375,  Lng: -90.686339),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 170 (year 2014),  Truck Traffic: 12%,  Average Future Daily Traffic: 170 (year 2042),  Design Load: HS 20,  Features Intersected: DRAINAGE,  Facility Carried by Structure: 278TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.181,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Fair,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 62.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.5 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 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 121981,  Location: 081E22404 (Lat: 41.802564,  Lng: -90.674925),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 50 (year 2014),  Average Future Daily Traffic: 50 (year 2042),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: 215TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.676,  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: 14.9m (48.9ft),  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: Good,  Operating Rating: 51.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.8 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: 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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 121993,  Location: 081E22601 (Lat: 41.800114,  Lng: -90.696781),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2041),  Design Load: HL 93,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 260TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.103,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 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: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  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: 77.1 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 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 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: 12206,  Location: 081030802 (Lat: 41.829169,  Lng: -90.645792),  Route carried "on" structure: City street ,  Year Built: 1960,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 320 (year 2018),  Average Future Daily Traffic: 320 (year 2040),  Design Load: H 20,  Features Intersected: CREEK,  Facility Carried by Structure: N.EAST ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.609,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 122131,  Location: 081E31905 (Lat: 41.807406,  Lng: -90.646958),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 20 (year 2014),  Average Future Daily Traffic: 20 (year 2042),  Design Load: H 20,  Features Intersected: BARBER CREEK,  Facility Carried by Structure: 255TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.726,  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: 8.8m (28.9ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 73.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 52.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum 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: 122181,  Location: 081E32902 (Lat: 41.787797,  Lng: -90.645919),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 440 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 440 (year 2041),  Design Load: HL 93,  Features Intersected: BARBER CREEK,  Facility Carried by Structure: 230TH AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.243,  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: 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: Excellent,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 54.8 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: 41.8 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 desirable criteria,  Deck Geometry: Equal to 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,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 122201,  Location: 081E33004 (Lat: 41.796208,  Lng: -90.660414),  Route carried "on" structure: County highway ,  Year Built: 1983,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 40 (year 2014),  Average Future Daily Traffic: 40 (year 2042),  Design Load: H 20,  Features Intersected: SMALL,  Facility Carried by Structure: 233TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.176,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 5.5m (18.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 42.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 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: 12221,  Location: 081E33203 (Lat: 41.785675,  Lng: -90.629514),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Posted for load,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 100 (year 2018),  Average Future Daily Traffic: 100 (year 2042),  Design Load: H 20,  Features Intersected: BARBER CREEK,  Facility Carried by Structure: 270TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.556,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 26.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.0 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: Equal to present desirable 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: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 122222,  Location: 081E33305 (Lat: 41.776300,  Lng: -90.623094),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 3.15m (10.33ft),  Average Daily Traffic: 40 (year 2014),  Average Future Daily Traffic: 40 (year 2042),  Design Load: HS 20,  Features Intersected: BARBER CREEK,  Facility Carried by Structure: 278TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.598,  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: 2,  Length of Maximum Span: 15.7m (51.5ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.1 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 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 122241,  Location: 081E33306 (Lat: 41.775742,  Lng: -90.612533),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 1.86m (6.10ft),  Average Daily Traffic: 40 (year 2014),  Average Future Daily Traffic: 40 (year 2042),  Design Load: H 20,  Features Intersected: BARBER CREEK,  Facility Carried by Structure: 247TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.601,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 5.5m (18.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 47.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  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: Wood or Timber
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Structure Number: 123611,  Location: 082E32902 (Lat: 41.881106,  Lng: -90.645628),  Route carried "on" structure: County highway ,  Year Built: 2013,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 320 (year 2018),  Truck Traffic: 13%,  Average Future Daily Traffic: 320 (year 2040),  Design Load: HS 20,  Features Intersected: SMALL CREEK,  Facility Carried by Structure: Y54 (230TH AVE)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.591,  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: 9.4m (30.8ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 68.0 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: Superior 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,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 123621,  Location: 082E32902 (Lat: 41.875558,  Lng: -90.645564),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 320 (year 2018),  Truck Traffic: 13%,  Average Future Daily Traffic: 320 (year 2040),  Design Load: HS 20,  Features Intersected: NEGRO CREEK,  Facility Carried by Structure: 230TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.974,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  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 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: 123631,  Location: 082E33002 (Lat: 41.874789,  Lng: -90.665086),  Route carried "on" structure: County highway ,  Year Built: 2020,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 60 (year 2014),  Average Future Daily Traffic: 60 (year 2041),  Design Load: HL 93,  Features Intersected: CREEK,  Facility Carried by Structure: 220TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.811,  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: 9.6m (31.5ft),  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: 93.3 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: 71.9 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: 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: 36544,  Location: 081E31708 (Lat: 41.826436,  Lng: -90.631278),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 20 (year 2014),  Average Future Daily Traffic: 20 (year 2041),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: 237TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.667,  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: 9.8m (32.2ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 74.1 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: 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,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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