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Bridge Statistics for Winchester, Idaho (ID)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 10Number of bridges
  • 30ft / 9.0mTotal length
  • 34,740Total average daily traffic
  • 6,910Total average daily truck traffic
  • 52,110Total future (year 2039) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Winchester
  • No street view available for this location

New bridges in Winchester, ID - historical statistics
  • New bridges - historical statistics
  • 12000-2009
  • 52010-2019
  • 42020-2022
Average Bridge Daily Traffic in Winchester, ID
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 90.0%Very good
  • 10.0%Good
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 90.0%Very good
  • 10.0%Good
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 90.0%Very good
  • 10.0%Good
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 40.0%Excellent
  • 60.0%Very good
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Structure Number: 18548,  Location: WINCHESTER SCL (Lat: 46.237861,  Lng: -116.619167),  Route carried "on" structure: Business US 95,  Year Built: 2002,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 540 (year 2019),  Truck Traffic: 13%,  Average Future Daily Traffic: 810 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.248,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 90.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 55.3 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 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 33106,  Location: 1.4 N. 1.0 E. WINCHESTER (Lat: 46.259778,  Lng: -116.606278),  Route carried "on" structure: US 95,  Year Built: 2019,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 438.049,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 15.1m (49.5ft),  Out-to-Out Width: 35.4m (116.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 97.2 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: 61.2 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: Equal to present desirable 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: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33111,  Location: 1.6 N. 1.0 E. WINCHESTER (Lat: 46.261111,  Lng: -116.606500),  Route carried "on" structure: US 95,  Year Built: 2019,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 438.231,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.7m (25.3ft),  Curb-To-Curb Width: 15.1m (49.5ft),  Out-to-Out Width: 39.2m (128.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 97.2 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: 41.5 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: Equal to present desirable 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: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33116,  Location: 2.0 N. 1.0 E. WINCHESTER (Lat: 46.266083,  Lng: -116.608556),  Route carried "on" structure: Interstate 95,  Year Built: 2019,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 438.802,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 5 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.2m (30.2ft),  Curb-To-Curb Width: 15.1m (49.5ft),  Out-to-Out Width: 33.8m (110.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 94.6 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: 39.5 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: Equal to present desirable 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: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33121,  Location: 2.2 N. 1.0 E. WINCHESTER (Lat: 46.268889,  Lng: -116.608083),  Route carried "on" structure: US 95,  Year Built: 2019,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 438.849,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.5m (24.6ft),  Curb-To-Curb Width: 15.1m (49.5ft),  Out-to-Out Width: 30.9m (101.4ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 97.2 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: 51.5 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: Equal to present desirable 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: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33126,  Location: 2.4 N. 1.0 E. WINCHESTER (Lat: 46.271694,  Lng: -116.607139),  Route carried "on" structure: US 95,  Year Built: 2019,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 439.431,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.0m (26.2ft),  Curb-To-Curb Width: 15.1m (49.5ft),  Out-to-Out Width: 33.2m (108.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 87.5 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: 38.2 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: Equal to present desirable 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: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33131,  Location: 2.6 N. 1.0 E. WINCHESTER (Lat: 46.274472,  Lng: -116.603556),  Route carried "on" structure: US 95,  Year Built: 2020,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 439.718,  Lanes on structure: 3,  Base Highway Network: Yes (Inventory Route: US0,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 14.3m (46.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 36.3m (119.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 80.4 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: 50.2 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: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior 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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33136,  Location: 2.4 N. 1.1 E. WINCHESTER (Lat: 46.277639,  Lng: -116.598750),  Route carried "on" structure: State highway 95,  Year Built: 2020,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 440.210,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.3m (46.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 34.2m (112.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 74.2 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: 41.1 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior 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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33141,  Location: 2.6 N. 1.2 E. WINCHESTER (Lat: 46.281583,  Lng: -116.596028),  Route carried "on" structure: US 95,  Year Built: 2020,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 440.712,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.3m (46.9ft),  Skew: 5 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 35.0m (114.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 95.6 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: 70.3 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior 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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 33146,  Location: 2.9 N. 1.3 E. WINCHESTER (Lat: 46.285278,  Lng: -116.594444),  Route carried "on" structure: US 95,  Year Built: 2020,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 3,800 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 5,700 (year 2039),  Design Load: HL 93,  Features Intersected: LAPWAI CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 441.169,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.3m (46.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 14.2m (46.6ft),  Out-to-Out Width: 24.8m (81.4ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 72.3 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: 49.9 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior 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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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