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


  • National Bridge Inventory (NBI) Statistics
  • 17Number of bridges
  • 407ft / 124mTotal length
  • 93,445Total average daily traffic
  • 12,174Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Bertram
  • No street view available for this location

New bridges in Bertram, IA - historical statistics
  • New bridges - historical statistics
  • 11950-1959
  • 41960-1969
  • 41970-1979
  • 21980-1989
  • 41990-1999
  • 12000-2009
  • 12010-2019
Reconstructed bridges in Bertram, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11980-1989
  • 11990-1999
Average Bridge Daily Traffic in Bertram, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 7.7%Very good
  • 38.5%Good
  • 46.2%Satisfactory
  • 7.7%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 15.4%Very good
  • 61.5%Good
  • 7.7%Satisfactory
  • 15.4%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 7.7%Very good
  • 61.5%Good
  • 30.8%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 41.7%Very good
  • 33.3%Good
  • 25.0%Satisfactory
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Structure Number: 3347,  Location: 0.5 mi. W of E Jct US 151 (Lat: 41.925758,  Lng: -91.552692),  Route carried "on" structure: US 30,  Year Built: 1953,  Status: Open,  Structure Length: 34.75m (114.01ft),  Average Daily Traffic: 10,550 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 10,550 (year 2040),  Design Load: H 20,  Features Intersected: CEDAR RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 412.087,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 45.7m (149.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 50.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 23 months,  Underwater Inspection Frequency: Every 58 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Critical Feature Inspection Date: July 2020,  Underwater Inspection Date: August 2017,  Other Special Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 33472,  Location: 0.5 mi. W of E Jct US 151 (Lat: 41.926206,  Lng: -91.548536),  Route carried "on" structure: US 30,  Year Built: 1975,  Status: Open,  Structure Length: 34.78m (114.11ft),  Average Daily Traffic: 10,550 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 10,550 (year 2040),  Design Load: HS 20,  Features Intersected: CEDAR RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 119.877,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 45.7m (149.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 57.3 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: August 2017,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 3361,  Location: AT N JCT. U.S. 30 (Lat: 41.926033,  Lng: -91.541678),  Route carried "on" structure: US 151,  Year Built: 1965,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 7.28m (23.88ft),  Average Daily Traffic: 3,450 (year 2020),  Truck Traffic: 14%,  Average Future Daily Traffic: 3,450 (year 2040),  Design Load: HS 20,  Features Intersected: US 30 (E.JCT)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 56.961,  Lanes on structure: 1,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.1m (65.9ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 51.4 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: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 33612,  Location: AT N JCT. U.S. 30 (Lat: 41.926586,  Lng: -91.542289),  Route carried "on" structure: State highway 13,  Year Built: 1975,  Status: Open,  Structure Length: 7.25m (23.79ft),  Average Daily Traffic: 1,605 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,605 (year 2040),  Design Load: HS 20,  Features Intersected: US 30
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 137.148,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 3362,  Location: 1.2 mi. N of Jct. U.S. 30 (Lat: 41.941317,  Lng: -91.544933),  Route carried "on" structure: US 151,  Year Built: 1965,  Status: Open,  Structure Length: 6.86m (22.51ft),  Average Daily Traffic: 9,100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 9,100 (year 2041),  Design Load: HS 20,  Features Intersected: BIG CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 58.682,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.7m (81.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.9m (35.8ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 80.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 33635,  Location: 1.2 MI. N of E Jct. US 30 (Lat: 41.943969,  Lng: -91.545803),  Route carried "on" structure: US 151,  Year Built: 1998,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 9,100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 9,100 (year 2040),  Design Load: HS 20,  Features Intersected: UP RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 114.949,  Lanes on 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: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 58.0 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: Better than present minimum 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: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33931,  Location: 083062506 (Lat: 41.966939,  Lng: -91.489219),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 1,100 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 1,100 (year 2040),  Design Load: HL 93,  Features Intersected: ALLEN CREEK,  Facility Carried by Structure: MT VERNON RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.562,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: 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: Equal to 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: July 2020
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Structure Number: 220151,  Location: 082060108 (Lat: 41.943711,  Lng: -91.491914),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 2.93m (9.61ft),  Average Daily Traffic: 90 (year 2021),  Average Future Daily Traffic: 90 (year 2040),  Design Load: HS 20,  Features Intersected: ABBE CREEK,  Facility Carried by Structure: SMYTH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.175,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 220171,  Location: 082060805 (Lat: 41.931197,  Lng: -91.561614),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 210 (year 2017),  Average Future Daily Traffic: 210 (year 2040),  Design Load: HS 20,  Features Intersected: PLEASANT RUN CR.,  Facility Carried by Structure: OLD RIVER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.158,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 75.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 220631,  Location: 083053002 (Lat: 41.970044,  Lng: -91.482122),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 40 (year 2017),  Average Future Daily Traffic: 40 (year 2040),  Design Load: HS 20,  Features Intersected: ALLEN CREEK,  Facility Carried by Structure: HORN RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.847,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 220801,  Location: T83N R6W 23 (Lat: 41.984039,  Lng: -91.513578),  Route carried "on" structure: County highway ,  Year Built: 2016,  Status: Open,  Structure Length: 4.66m (15.29ft),  Average Daily Traffic: 90 (year 2021),  Average Future Daily Traffic: 90 (year 2040),  Design Load: HL 93,  Features Intersected: BIG CREEK,  Facility Carried by Structure: BLOOMINGTON RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.859,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 45.7m (149.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 72.9 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: 46.7 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: 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 24 months,  Inspection Date: August 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: 220811,  Location: 083062601 (Lat: 41.975228,  Lng: -91.519172),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 5.85m (19.19ft),  Average Daily Traffic: 1,100 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 1,100 (year 2040),  Design Load: HS 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: MT.VERNON RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.699,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 66.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 27.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 220821,  Location: 083062604 (Lat: 41.969244,  Lng: -91.506483),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 60 (year 2017),  Average Future Daily Traffic: 60 (year 2040),  Design Load: HS 20,  Features Intersected: ALLEN CREEK,  Facility Carried by Structure: O CONNER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.072,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 607485,  Location: 1.1 MI. N OF JCT. US 30 (Lat: 41.941889,  Lng: -91.545378),  Route carried "on" structure: US 151,  Year Built: 1998,  Status: Open,  Structure Length: 6.86m (22.51ft),  Average Daily Traffic: 9,100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 9,100 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: BIG CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 115.182,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 69.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.5 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  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: 607515,  Location: 2.5 MI. S OF JCT. IA 100 (Lat: 41.984233,  Lng: -91.549872),  Route carried "on" structure: US 151,  Year Built: 1960,  Year Reconstructed: 1996,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 20,800 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 20,800 (year 2041),  Design Load: HS 20,  Features Intersected: CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 63.688,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 24 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.4m (7.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  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: 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 2021
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Structure Number: 3361,  Location: AT N JCT. U.S. 30 (Lat: 41.926033,  Lng: -91.541678),  Route carried "under" structure: US 30,  Year Built: 1965,  Structure Length: 0. m,  Average Daily Traffic: 8,250 (year 2020),  Truck Traffic: 13%,  Features Intersected: US 30 (E.JCT),  Facility Carried by Structure: NB US 151
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 412.990,  Lanes on structure: 1,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 20.1m (65.9ft)

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Structure Number: 33612,  Location: AT N JCT. U.S. 30 (Lat: 41.926586,  Lng: -91.542289),  Route carried "under" structure: US 30,  Year Built: 1975,  Structure Length: 0. m,  Average Daily Traffic: 8,250 (year 2020),  Truck Traffic: 13%,  Features Intersected: US 30,  Facility Carried by Structure: SB US 151-IA 13
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 412.962,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

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