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

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Structure Number: 5024,  Location: 4.8 MI. E OF JCT. IA 1 (Lat: 40.675311,  Lng: -91.855200),  Route carried "on" structure: State highway 2,  Year Built: 1925,  Year Reconstructed: 1968,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 1,090 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 1,090 (year 2041),  Design Load: HS 20,  Features Intersected: WHITE OAK CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 360.546,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  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: 13.5m (44.3ft),  Out-to-Out Width: 14.1m (46.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 79.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 52.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: 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: Monolithic Concrete

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Structure Number: 5035,  Location: 068081704 (Lat: 40.694928,  Lng: -91.803572),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 28.56m (93.70ft),  Average Daily Traffic: 1,070 (year 2018),  Truck Traffic: 15%,  Average Future Daily Traffic: 1,070 (year 2041),  Design Load: H 20,  Features Intersected: DES MOINES RIVER,  Facility Carried by Structure: W40
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.363,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 44.2m (145.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 36.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 22.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 93.70m (307.41ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Critical Feature Inspection Date: July 2021,  Bridge Improvement Cost: $2,108,000,  Roadway Improvement Cost: $211,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 32739,  Location: 068080201 (Lat: 40.725853,  Lng: -91.753800),  Route carried "on" structure: County highway ,  Year Built: 1936,  Year Reconstructed: 1964,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 570 (year 2018),  Truck Traffic: 14%,  Average Future Daily Traffic: 570 (year 2041),  Design Load: H 20,  Features Intersected: CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 34.781,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 40.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.40m (7.87ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 3274,  Location: 068080204 (Lat: 40.722617,  Lng: -91.744514),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Posted for load,  Structure Length: 1.59m (5.22ft),  Average Daily Traffic: 50 (year 2014),  Average Future Daily Traffic: 50 (year 2041),  Features Intersected: CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.268,  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: 15.2m (49.9ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 23.3 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: 18.8 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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 5.20m (17.06ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $94,000,  Roadway Improvement Cost: $9,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 32741,  Location: 068080301 (Lat: 40.725711,  Lng: -91.761700),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Posted for load,  Structure Length: 3.84m (12.60ft),  Average Daily Traffic: 570 (year 2018),  Truck Traffic: 14%,  Average Future Daily Traffic: 570 (year 2041),  Features Intersected: REEDS CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.111,  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: 3,  Length of Maximum Span: 12.8m (42.0ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 28.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 19.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable 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),  Length Of Structure Improvement: 16.40m (53.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $467,000,  Roadway Improvement Cost: $47,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 327461,  Location: 068080803 (Lat: 40.698172,  Lng: -91.807106),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 5.09m (16.70ft),  Average Daily Traffic: 420 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 420 (year 2041),  Design Load: HS 20,  Features Intersected: HONEY CREEK,  Facility Carried by Structure: J40
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 34.454,  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: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 71.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 39.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 16.70m (54.79ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 32748,  Location: 068081103 (Lat: 40.706658,  Lng: -91.754022),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Posted for load,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 35 (year 2014),  Average Future Daily Traffic: 35 (year 2041),  Features Intersected: REEDS CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.196,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 6.3m (20.7ft),  Out-to-Out Width: 6.3m (20.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 12.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 9.4 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: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 11.00m (36.09ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Critical Feature Inspection Date: May 2021,  Bridge Improvement Cost: $251,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 327501,  Location: 068081503 (Lat: 40.687378,  Lng: -91.765811),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 3.93m (12.89ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2040),  Design Load: H 15,  Features Intersected: TRIB DES MOINES R,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.766,  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: 3,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 6.2m (20.3ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Fair,  Operating Rating: 24.9 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: 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: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 15.10m (49.54ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $362,000,  Roadway Improvement Cost: $36,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 32752,  Location: 068081605 (Lat: 40.695425,  Lng: -91.781042),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Posted for load,  Structure Length: 1.86m (6.10ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2040),  Features Intersected: TRIB DES MOINES R,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.181,  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: 18.3m (60.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 24.9 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: 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: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 8.80m (28.87ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $211,000,  Roadway Improvement Cost: $21,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 32759,  Location: 068083004 (Lat: 40.656611,  Lng: -91.823572),  Route carried "on" structure: County highway ,  Year Built: 1966,  Year Reconstructed: 2000,  Status: Posted for load,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 25 (year 2014),  Average Future Daily Traffic: 25 (year 2040),  Features Intersected: TRIB DESMOINES RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.381,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 16.8 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: 13.0 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: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 12.50m (41.01ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Critical Feature Inspection Date: June 2020,  Bridge Improvement Cost: $300,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 327621,  Location: 068083204 (Lat: 40.645969,  Lng: -91.804853),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 50 (year 2014),  Average Future Daily Traffic: 50 (year 2038),  Design Load: HL 93,  Features Intersected: TRIB DES MOINES RIVER,  Facility Carried by Structure: TIMBER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.733,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.5m (11.5ft)

Condition: Channel: Good,  Culverts: Very good,  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: 42.1 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2018

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Structure Number: 327671,  Location: 068090103 (Lat: 40.721836,  Lng: -91.834858),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 530 (year 2018),  Truck Traffic: 13%,  Average Future Daily Traffic: 530 (year 2039),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.850,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.6m (15.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 78.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.10m (10.17ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 32768,  Location: 068090108 (Lat: 40.713225,  Lng: -91.853000),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Posted for load,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 35 (year 2014),  Average Future Daily Traffic: 35 (year 2040),  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.248,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.4m (89.9ft),  Curb-To-Curb Width: 5.5m (18.0ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 15.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 9.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 11.50m (37.73ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Critical Feature Inspection Date: June 2020,  Bridge Improvement Cost: $276,000,  Roadway Improvement Cost: $28,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 327751,  Location: 068091106 (Lat: 40.706375,  Lng: -91.866492),  Route carried "on" structure: County highway ,  Year Built: 2018,  Status: Open,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 25 (year 2018),  Average Future Daily Traffic: 25 (year 2041),  Design Load: HL 93,  Features Intersected: BEAR CREEK,  Facility Carried by Structure: QUAIL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.114,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 54.4 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: 42.1 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: 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: July 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 328391,  Location: 069083103 (Lat: 40.740169,  Lng: -91.816542),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Posted for load,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 50 (year 2014),  Average Future Daily Traffic: 50 (year 2040),  Features Intersected: TRIB COATES CR,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.478,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 5.4m (17.7ft),  Out-to-Out Width: 5.6m (18.4ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 13.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 7.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 4.50m (14.76ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $108,000,  Roadway Improvement Cost: $11,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 32844,  Location: 069083501 (Lat: 40.740336,  Lng: -91.753275),  Route carried "on" structure: County highway ,  Year Built: 1959,  Status: Posted for load,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 60 (year 2014),  Average Future Daily Traffic: 60 (year 2040),  Features Intersected: REED'S CR,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.884,  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: 12.5m (41.0ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 19.8 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: 15.2 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: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 6.50m (21.33ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $156,000,  Roadway Improvement Cost: $16,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 36265,  Location: 068090222 (Lat: 40.725097,  Lng: -91.863206),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 29.29m (96.10ft),  Average Daily Traffic: 530 (year 2018),  Truck Traffic: 13%,  Average Future Daily Traffic: 530 (year 2041),  Design Load: H 20,  Features Intersected: DES MOINES RIVER,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.478,  Lanes on structure: 2,  Owner: County 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: 10,  Length of Maximum Span: 29.0m (95.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 48.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 95.60m (313.65ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete