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


  • National Bridge Inventory (NBI) Statistics
  • 12Number of bridges
  • 157ft / 47.9mTotal length
  • 25,060Total average daily traffic
  • 3,685Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Middletown
  • No street view available for this location

Average Bridge Daily Traffic in Middletown, IA
Average Bridge Truck Traffic in Middletown, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 50.0%Very good
  • 50.0%Good
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 66.7%Very good
  • 33.3%Good
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 50.0%Very good
  • 50.0%Good
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Structure Number: 60765,  Location: 1.3 mi E of jct US34 Bus. (Lat: 40.832136,  Lng: -91.243083),  Route carried "on" structure: US 34,  Year Built: 2002,  Status: Open,  Structure Length: 3.57m (11.71ft),  Average Daily Traffic: 3,450 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 3,450 (year 2040),  Design Load: HS 20,  Features Intersected: PRAIRIE GROVE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 419.601,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 35.7m (117.1ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 85.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.5 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,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable 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: 607655,  Location: 1.3 mi E of jct US34 Bus. (Lat: 40.832369,  Lng: -91.242506),  Route carried "on" structure: US 34,  Year Built: 2002,  Status: Open,  Structure Length: 3.57m (11.71ft),  Average Daily Traffic: 3,450 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 3,450 (year 2040),  Design Load: HS 20,  Features Intersected: PRARIE GROVE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.462,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 35.7m (117.1ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 87.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.7 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,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable 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: 60875,  Location: 0.4 mi. E of US 34 Bus. (Lat: 40.833347,  Lng: -91.261314),  Route carried "on" structure: US 34,  Year Built: 2003,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 3,400 (year 2020),  Truck Traffic: 17%,  Average Future Daily Traffic: 3,400 (year 2040),  Design Load: HS 20,  Features Intersected: BOUNDRY AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.052,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 37.5m (123.0ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 57.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.3 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable 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: 608755,  Location: 0.4 mi. E of US 34 Bus. (Lat: 40.833114,  Lng: -91.261781),  Route carried "on" structure: US 34,  Year Built: 2003,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 3,400 (year 2020),  Truck Traffic: 17%,  Average Future Daily Traffic: 3,400 (year 2040),  Design Load: HS 20,  Features Intersected: BOUNDRY AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 418.021,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 37.5m (123.0ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 57.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.3 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable 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: 608765,  Location: 5.4 mi. W of Jct. U.S. 61 (Lat: 40.831472,  Lng: -91.268331),  Route carried "on" structure: US 34,  Year Built: 2004,  Status: Open,  Structure Length: 17.25m (56.59ft),  Average Daily Traffic: 3,150 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 3,150 (year 2040),  Design Load: HS 20,  Features Intersected: DMC HWY 34 & BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 417.430,  Lanes on structure: 3,  Lanes under 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: 6,  Length of Maximum Span: 32.3m (106.0ft),  Curb-To-Curb Width: 15.0m (49.2ft),  Out-to-Out Width: 15.7m (51.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 81.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.8 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable 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: 60877,  Location: 5.4 mi. W of Jct. U.S. 61 (Lat: 40.832369,  Lng: -91.266811),  Route carried "on" structure: US 34,  Year Built: 2004,  Status: Open,  Structure Length: 16.00m (52.49ft),  Average Daily Traffic: 3,400 (year 2020),  Truck Traffic: 17%,  Average Future Daily Traffic: 3,400 (year 2040),  Design Load: HS 20,  Features Intersected: DMC HWY 34 & BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.537,  Lanes on structure: 3,  Lanes under structure: 2,  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: 6,  Length of Maximum Span: 27.7m (90.9ft),  Curb-To-Curb Width: 15.0m (49.2ft),  Out-to-Out Width: 16.0m (52.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 69.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.2 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable 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: 60765,  Location: 1.3 mi E of jct US34 Bus. (Lat: 40.832136,  Lng: -91.243083),  Route carried "under" structure: County highway ,  Year Built: 2002,  Structure Length: 0. m,  Average Daily Traffic: 165 (year 2018),  Truck Traffic: 43%,  Features Intersected: PRAIRIE GROVE RD,  Facility Carried by Structure: US 34 EB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.570,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 35.7m (117.1ft)

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Structure Number: 607655,  Location: 1.3 mi E of jct US34 Bus. (Lat: 40.832369,  Lng: -91.242506),  Route carried "under" structure: County highway ,  Year Built: 2002,  Structure Length: 0. m,  Average Daily Traffic: 115 (year 2018),  Features Intersected: PRARIE GROVE RD,  Facility Carried by Structure: US 34 WB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.600,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 35.7m (117.1ft)

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Structure Number: 60875,  Location: 0.4 mi. E of US 34 Bus. (Lat: 40.833347,  Lng: -91.261314),  Route carried "under" structure: City street ,  Year Built: 2003,  Structure Length: 0. m,  Average Daily Traffic: 165 (year 2014),  Features Intersected: BOUNDRY AVE,  Facility Carried by Structure: US 34 WB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.686,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 37.5m (123.0ft)

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Structure Number: 608755,  Location: 0.4 mi. E of US 34 Bus. (Lat: 40.833114,  Lng: -91.261781),  Route carried "under" structure: City street ,  Year Built: 2003,  Structure Length: 0. m,  Average Daily Traffic: 165 (year 2014),  Features Intersected: BOUNDRY AVE,  Facility Carried by Structure: US 34 EB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.657,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 37.5m (123.0ft)

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Structure Number: 608765,  Location: 5.4 mi. W of Jct. U.S. 61 (Lat: 40.831472,  Lng: -91.268331),  Route carried "under" structure: County highway ,  Year Built: 2004,  Structure Length: 0. m,  Average Daily Traffic: 2,800 (year 2018),  Truck Traffic: 5%,  Features Intersected: DMC HWY 34 & BNSF RR,  Facility Carried by Structure: US 34 EB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.161,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.3m (106.0ft)

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Structure Number: 60877,  Location: 5.4 mi. W of Jct. U.S. 61 (Lat: 40.832369,  Lng: -91.266811),  Route carried "under" structure: County highway ,  Year Built: 2004,  Structure Length: 0. m,  Average Daily Traffic: 1,400 (year 2018),  Truck Traffic: 5%,  Features Intersected: DMC HWY 34 & BNSF RR,  Facility Carried by Structure: US 34 WB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.125,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.7m (90.9ft)

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