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


  • National Bridge Inventory (NBI) Statistics
  • 17Number of bridges
  • 115ft / 34.8mTotal length
  • 5,820Total average daily traffic
  • 901Total average daily truck traffic
  • 5,820Total future (year 2040) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Strawberry Point
  • No street view available for this location

New bridges in Strawberry Point, IA - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 21930-1939
  • 11940-1949
  • 41950-1959
  • 21970-1979
  • 31980-1989
  • 11990-1999
  • 22000-2009
  • 12010-2019
Average Bridge Truck Traffic in Strawberry Point, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 36.4%Good
  • 45.5%Satisfactory
  • 18.2%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 45.5%Good
  • 36.4%Satisfactory
  • 18.2%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 36.4%Good
  • 27.3%Satisfactory
  • 27.3%Fair
  • 9.1%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 29.4%Very good
  • 29.4%Good
  • 41.2%Satisfactory
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 66.7%Good
  • 16.7%Satisfactory
  • 16.7%Fair
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Structure Number: 20581,  Location: 3.0 mi. S of jct. SR C24 (Lat: 42.744742,  Lng: -91.497625),  Route carried "on" structure: State highway 13,  Year Built: 1978,  Status: Open,  Structure Length: 3.96m (12.99ft),  Average Daily Traffic: 2,030 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 2,030 (year 2040),  Design Load: HS 20,  Features Intersected: COX CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 103.407,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 46.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 207,  Location: 091062710 (Lat: 42.658994,  Lng: -91.538594),  Route carried "on" structure: County highway ,  Year Built: 1928,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 430 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 430 (year 2040),  Design Load: H 15,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: HWY 410
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.079,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 2 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: Satisfactory,  Culverts: Fair,  Operating Rating: 54.5 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020
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Structure Number: 2455,  Location: 1.7 MI. E OF JCT. 187 (Lat: 42.687597,  Lng: -91.612186),  Route carried "on" structure: State highway 3,  Year Built: 1959,  Status: Open,  Structure Length: 4.30m (14.11ft),  Average Daily Traffic: 2,150 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 2,150 (year 2041),  Design Load: H 20,  Features Intersected: MAQUOKETA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 430.926,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 57.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.6 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 118492,  Location: 091060204 (Lat: 42.730464,  Lng: -91.520092),  Route carried "on" structure: County highway ,  Year Built: 2004,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 30 (year 2013),  Average Future Daily Traffic: 30 (year 2040),  Design Load: HS 20,  Features Intersected: KLEINLEIN HOLLOW,  Facility Carried by Structure: BELGIAM RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.599,  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: Very good,  Culverts: Good,  Operating Rating: 43.7 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: 33.7 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020
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Structure Number: 1185,  Location: 091060204 (Lat: 42.725822,  Lng: -91.525739),  Route carried "on" structure: County highway ,  Year Built: 1930,  Status: Posted for load-capacity,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 30 (year 2013),  Average Future Daily Traffic: 30 (year 2040),  Features Intersected: STREAM,  Facility Carried by Structure: BELGIAM RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.862,  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),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 32.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 23.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $34,000,  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: 118521,  Location: 091060704 (Lat: 42.705928,  Lng: -91.606317),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 40 (year 2017),  Average Future Daily Traffic: 40 (year 2040),  Features Intersected: STREAM,  Facility Carried by Structure: A AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.018,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.0m (13.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 44.1 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $60,000,  Roadway Improvement Cost: $30,000
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Structure Number: 118531,  Location: 091062906 (Lat: 42.667789,  Lng: -91.581839),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 60 (year 2013),  Average Future Daily Traffic: 60 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: STREAM,  Facility Carried by Structure: ACORN RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.922,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Concrete,  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: 44.1 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: 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 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $80,000,  Roadway Improvement Cost: $30,000
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Structure Number: 118535,  Location: 091063003 (Lat: 42.664381,  Lng: -91.587414),  Route carried "on" structure: County highway ,  Year Built: 1951,  Year Reconstructed: 1974,  Status: Posted for load-capacity,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 10 (year 2013),  Average Future Daily Traffic: 10 (year 2040),  Features Intersected: SMALL,  Facility Carried by Structure: ACORN RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.122,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 17.8 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: 13.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  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: 4.30m (14.11ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $37,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 11854,  Location: 091063103 (Lat: 42.658775,  Lng: -91.587194),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 110 (year 2021),  Average Future Daily Traffic: 110 (year 2040),  Design Load: H 15,  Features Intersected: MAQUOKETA RIVER,  Facility Carried by Structure: 390TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.595,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Very good,  Operating Rating: 24.0 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: 18.5 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,  Length Of Structure Improvement: 12.50m (41.01ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $20,000,  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: 11855,  Location: 091063504 (Lat: 42.645508,  Lng: -91.527522),  Route carried "on" structure: County highway ,  Year Built: 1949,  Status: Posted for load-capacity,  Structure Length: 1.86m (6.10ft),  Average Daily Traffic: 570 (year 2021),  Truck Traffic: 30%,  Average Future Daily Traffic: 570 (year 2040),  Design Load: H 20,  Features Intersected: STREAM,  Facility Carried by Structure: FORESTVILLE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.142,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 34.3 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: 26.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 9.10m (29.86ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $98,000,  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: 119391,  Location: 092063605 (Lat: 42.741183,  Lng: -91.506369),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 35 (year 2013),  Average Future Daily Traffic: 35 (year 2040),  Design Load: HS 20,  Features Intersected: SPRING CREEK,  Facility Carried by Structure: 330TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.741,  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: 13.1m (43.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 66.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable 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,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 142711,  Location: 090060102 (Lat: 42.639906,  Lng: -91.507844),  Route carried "on" structure: County highway ,  Year Built: 1981,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 40 (year 2017),  Average Future Daily Traffic: 40 (year 2040),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOC 150TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.180,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 46.3 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: 35.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: 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: December 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 142721,  Location: 090060304 (Lat: 42.639322,  Lng: -91.542250),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 3.17m (10.40ft),  Average Daily Traffic: 45 (year 2017),  Average Future Daily Traffic: 45 (year 2040),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: LOC 130TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.490,  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: 11.6m (38.1ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 79.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.7 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: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 142731,  Location: 090060501 (Lat: 42.644031,  Lng: -91.579597),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 160 (year 2017),  Average Future Daily Traffic: 160 (year 2040),  Design Load: H 20,  Features Intersected: MAQUOKETA RIVER,  Facility Carried by Structure: LOC 400TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.251,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 46.7 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: 36.0 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: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 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: 14275,  Location: 090061301 (Lat: 42.614625,  Lng: -91.505894),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 0.73m (2.40ft),  Design Load: H 15,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL 120 ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.107,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 28.2 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: 21.7 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: Somewhat better than minimum adequacy,  Deck Geometry: Equal to 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 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 36298,  Location: 091063101 (Lat: 42.658783,  Lng: -91.601375),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 80 (year 2021),  Average Future Daily Traffic: 80 (year 2040),  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 390TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.431,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 23.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 17.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $40,000,  Roadway Improvement Cost: $30,000
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Structure Number: 69901,  Location: IN BACKBONE STATE PARK (Lat: 42.637414,  Lng: -91.556717),  Route carried "on" structure: State lands road ,  Year Built: 1934,  Status: Open,  Structure Length: 1.28m (4.20ft),  Features Intersected: STREAM,  Facility Carried by Structure: BACKBONE ST PK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.847,  Lanes on structure: 2,  Owner: State Park, Forest, or Reservation Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.8m (42.0ft),  Curb-To-Curb Width: 6.2m (20.3ft),  Out-to-Out Width: 6.5m (21.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.6 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 minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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