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


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 197ft / 60.0mTotal length
  • 34,525Total average daily traffic
  • 12,395Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Hamburg
  • No street view available for this location

New bridges in Hamburg, IA - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 11960-1969
  • 81970-1979
  • 11990-1999
Average Bridge Daily Traffic in Hamburg, IA
Average Bridge Truck Traffic in Hamburg, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 14.3%Good
  • 42.9%Satisfactory
  • 42.9%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 14.3%Very good
  • 28.6%Good
  • 57.1%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 14.3%Good
  • 42.9%Satisfactory
  • 28.6%Fair
  • 14.3%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 20.0%Very good
  • 60.0%Satisfactory
  • 20.0%Poor
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Structure Number: 25251,  Location: 0.5 mi W of E JCT. IA 333 (Lat: 40.601364,  Lng: -95.644722),  Route carried "on" structure: US 275,  Year Built: 1994,  Status: Open,  Structure Length: 19.17m (62.89ft),  Average Daily Traffic: 1,050 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,050 (year 2040),  Design Load: HS 20,  Features Intersected: NISHNABOTNA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.503,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 32.6m (107.0ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 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: 25261,  Location: 0.9 N of N jct. IA 333 (Lat: 40.615947,  Lng: -95.651008),  Route carried "on" structure: US 275,  Year Built: 1928,  Year Reconstructed: 1978,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 1,710 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,710 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.817,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 44.0 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 minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
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Structure Number: 15904,  Location: 067420503 (Lat: 40.651750,  Lng: -95.695961),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 250 (year 2016),  Truck Traffic: 15%,  Average Future Daily Traffic: 250 (year 2041),  Design Load: H 15,  Features Intersected: STREAM,  Facility Carried by Structure: BLUFF ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.726,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 43.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.3 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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $50,000,  Roadway Improvement Cost: $1,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 159071,  Location: 067420703 (Lat: 40.637469,  Lng: -95.706517),  Route carried "on" structure: County highway ,  Year Built: 1976,  Status: Posted for load,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 25 (year 2012),  Average Future Daily Traffic: 25 (year 2041),  Features Intersected: #6 DITCH,  Facility Carried by Structure: 285 STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.521,  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: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Poor,  Operating Rating: 39.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 26.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  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: 3.20m (10.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $114,000,  Roadway Improvement Cost: $6,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 60001,  Location: 0.4 MI. N OF MO St. LINE (Lat: 40.587203,  Lng: -95.657653),  Route carried "on" structure: Interstate 29,  Year Built: 1972,  Status: Open,  Structure Length: 11.31m (37.11ft),  Average Daily Traffic: 6,200 (year 2020),  Truck Traffic: 39%,  Average Future Daily Traffic: 6,200 (year 2041),  Design Load: HS 20,  Features Intersected: BNSF RR & MAIN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.618,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 31.1m (102.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 50.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  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: 60002,  Location: 0.4 MI. N OF MO St. LINE (Lat: 40.587558,  Lng: -95.658944),  Route carried "on" structure: Interstate 29,  Year Built: 1972,  Status: Open,  Structure Length: 11.31m (37.11ft),  Average Daily Traffic: 6,200 (year 2020),  Truck Traffic: 39%,  Average Future Daily Traffic: 6,200 (year 2041),  Design Load: HS 20,  Features Intersected: BNSF RR & MAIN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 243.777,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 31.1m (102.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 48.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  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: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60003,  Location: 0.4 MI. S OF JCT. IA 333 (Lat: 40.595247,  Lng: -95.672508),  Route carried "on" structure: Interstate 29,  Year Built: 1972,  Status: Open,  Structure Length: 5.46m (17.91ft),  Average Daily Traffic: 6,200 (year 2020),  Truck Traffic: 39%,  Average Future Daily Traffic: 6,200 (year 2040),  Design Load: HS 20,  Features Intersected: MAIN DITCH NO.6
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.166,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 5 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.6m (74.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 70.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60005,  Location: AT JCT. OF I-29 (Lat: 40.600692,  Lng: -95.678308),  Route carried "on" structure: State highway 333,  Year Built: 1972,  Status: Open,  Structure Length: 10.18m (33.40ft),  Average Daily Traffic: 750 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 750 (year 2041),  Design Load: HS 20,  Features Intersected: I-29
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.153,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 32.9m (107.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 64.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60001,  Location: 0.4 MI. N OF MO St. LINE (Lat: 40.587203,  Lng: -95.657653),  Route carried "under" structure: County highway ,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 70 (year 2016),  Features Intersected: BNSF RR & MAIN ST,  Facility Carried by Structure: NB I-29
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.398,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 31.1m (102.0ft)

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Structure Number: 60002,  Location: 0.4 MI. N OF MO St. LINE (Lat: 40.587558,  Lng: -95.658944),  Route carried "under" structure: County highway ,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 70 (year 2016),  Features Intersected: BNSF RR & MAIN ST,  Facility Carried by Structure: SB I-29
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.359,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 31.1m (102.0ft)

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Structure Number: 60005,  Location: AT JCT. OF I-29 (Lat: 40.600692,  Lng: -95.678308),  Route carried "under" structure: Interstate 29,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 12,000 (year 2020),  Truck Traffic: 40%,  Features Intersected: I-29,  Facility Carried by Structure: IA 333
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.903,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.9m (107.9ft)

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