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


  • National Bridge Inventory (NBI) Statistics
  • 17Number of bridges
  • 95ft / 29.2mTotal length
  • $2,938,000Total costs
  • 87,475Total average daily traffic
  • 2,543Total average daily truck traffic
  • 131,212Total future (year 2039) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Middleton
  • No street view available for this location

New bridges in Middleton, ID - historical statistics
  • New bridges - historical statistics
  • 41950-1959
  • 41970-1979
  • 41980-1989
  • 21990-1999
  • 22000-2009
  • 12020-2022
Average Bridge Daily Traffic in Middleton, ID
Average Bridge Truck Traffic in Middleton, ID
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 5.9%Excellent
  • 35.3%Good
  • 47.1%Satisfactory
  • 11.8%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 5.9%Excellent
  • 5.9%Very good
  • 35.3%Good
  • 52.9%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 5.9%Excellent
  • 5.9%Very good
  • 29.4%Good
  • 47.1%Satisfactory
  • 11.8%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 5.9%Excellent
  • 17.6%Very good
  • 70.6%Good
  • 5.9%Satisfactory
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Structure Number: 14265,  Location: AT MIDDLETON (Lat: 43.706389,  Lng: -116.630833),  Route carried "on" structure: State highway 44,  Year Built: 1953,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 32,000 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 48,000 (year 2039),  Design Load: H 15,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.636,  Lanes on structure: 3,  Base Highway Network: Yes (Inventory Route: SH0,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 14.7m (48.2ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 55.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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 48 months,  Inspection Date: Febuary 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 14275,  Location: 1.6 E. MIDDLETON (Lat: 43.703889,  Lng: -116.587500),  Route carried "on" structure: State highway 44,  Year Built: 1956,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 29,500 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 44,250 (year 2039),  Design Load: HS 15,  Features Intersected: CANYON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.236,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: SH0,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 16.9m (55.4ft),  Out-to-Out Width: 17.4m (57.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 62.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable 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 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 19674,  Location: MIDDLETON NE CITY LIMITS (Lat: 43.708750,  Lng: -116.613000),  Route carried "on" structure: City street 7808,  Year Built: 1999,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 2,500 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,750 (year 2039),  Design Load: HS 20,  Features Intersected: MILL SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 161.468,  Lanes on structure: 3,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 19.5m (64.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 54.4 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,  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: April 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 19726,  Location: 0.6 S. 0.3 E. MIDDLETON (Lat: 43.696222,  Lng: -116.612833),  Route carried "on" structure: County highway 3750,  Year Built: 2004,  Status: Open,  Structure Length: 13.20m (43.31ft),  Average Daily Traffic: 10,500 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 15,750 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: BOISE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.308,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 25.0m (82.0ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 11.8m (38.7ft),  Out-to-Out Width: 16.2m (53.1ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 93.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 54.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: November 2020,  Underwater Inspection Date: August 2017,  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: 26885,  Location: 2.1 N. 1.5 E. MIDDLETON (Lat: 43.741750,  Lng: -116.592667),  Route carried "on" structure: County highway 8317,  Year Built: 1983,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 680 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,020 (year 2039),  Design Load: HS 20,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 176.300,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 43.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 31.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  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: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 26975,  Location: 5.0 N. 2.9 W. MIDDLETON (Lat: 43.778889,  Lng: -116.675278),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 50 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 75 (year 2039),  Design Load: HS 20,  Features Intersected: CANAL,  Facility Carried by Structure: SAND HOLLOW ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 164.354,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.2m (23.6ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 20.9 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than 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: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 27031,  Location: 2.4 E. MIDDLETON (Lat: 43.707306,  Lng: -116.572889),  Route carried "on" structure: County highway 8317,  Year Built: 2003,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,500 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 2,250 (year 2039),  Design Load: HS 20,  Features Intersected: CANYON CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.499,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 59.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 27096,  Location: 0.6 N. 2.4 E. MIDDLETON (Lat: 43.714056,  Lng: -116.572694),  Route carried "on" structure: County highway 8317,  Year Built: 1995,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 1,500 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 2,250 (year 2039),  Design Load: HS 20,  Features Intersected: MILL SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.255,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 20.9 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum 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
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Structure Number: 2724,  Location: 2.1 N. 0.9 E. MIDDLETON (Lat: 43.735528,  Lng: -116.602972),  Route carried "on" structure: County highway 3718,  Year Built: 1975,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,500 (year 2019),  Truck Traffic: 17%,  Average Future Daily Traffic: 2,250 (year 2039),  Design Load: HS 20,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 179.247,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 45.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  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 Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 27295,  Location: MIDDLETON NCL (Lat: 43.711500,  Lng: -116.625639),  Route carried "on" structure: County highway 7817,  Year Built: 1987,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,500 (year 2019),  Average Future Daily Traffic: 2,250 (year 2039),  Design Load: HS 20,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 161.499,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 52.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 28.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.40m (4.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $425,000,  Roadway Improvement Cost: $43,000,  Total Project Cost: $638,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 2731,  Location: AT MIDDLETON SCL (Lat: 43.704833,  Lng: -116.619639),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Posted for load,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 440 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 660 (year 2039),  Design Load: H 15,  Features Intersected: MILL SLOUGH,  Facility Carried by Structure: S. DEWEY AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.771,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 29.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.4 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 1.49m (4.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $388,000,  Roadway Improvement Cost: $39,000,  Total Project Cost: $582,000 ( Estimate for 2020),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 27325,  Location: AT MIDDLETON SCL (Lat: 43.702861,  Lng: -116.621219),  Route carried "on" structure: County highway ,  Year Built: 1981,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 200 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 300 (year 2039),  Design Load: H 15,  Features Intersected: MILL SLOUGH,  Facility Carried by Structure: BOISE STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.971,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 17.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.37m (4.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $312,000,  Roadway Improvement Cost: $31,000,  Total Project Cost: $468,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 27328,  Location: 0.6 W. 0.2 S. MIDDLETON (Lat: 43.703167,  Lng: -116.632167),  Route carried "on" structure: City street ,  Year Built: 2021,  Status: Open,  Structure Length: 3.69m (12.11ft),  Average Daily Traffic: 25 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 37 (year 2041),  Design Load: HL 93,  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: S. CEMETERY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.451,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.0m (118.1ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 10.7m (35.1ft),  Out-to-Out Width: 16.9m (55.4ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 41.7 metric tons,  Method Used To Determine Operating Rating: No rating analysis performed,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: No rating analysis performed,  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 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: 27395,  Location: 1.3 N. 0.3 E. MIDDLETON (Lat: 43.725550,  Lng: -116.612639),  Route carried "on" structure: County highway 7808,  Year Built: 1978,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 1,200 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,800 (year 2039),  Design Load: HS 15,  Features Intersected: WILLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 163.585,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 27.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 16.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.31m (4.30ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $241,000,  Roadway Improvement Cost: $24,000,  Total Project Cost: $362,000 ( Estimate for 2019),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 274,  Location: 0.3 S. 1.3 E. MIDDLETON (Lat: 43.704056,  Lng: -116.592944),  Route carried "on" structure: County highway 8317,  Year Built: 1956,  Year Reconstructed: 1984,  Status: Posted for load,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 2,100 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,150 (year 2039),  Design Load: HS 15,  Features Intersected: CANYON CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 172.122,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 10.5m (34.4ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 27.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 16.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 1.49m (4.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $356,000,  Roadway Improvement Cost: $36,000,  Total Project Cost: $534,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 2742,  Location: 0.3 N. 1.3 E. MIDDLETON (Lat: 43.710444,  Lng: -116.592806),  Route carried "on" structure: County highway 8317,  Year Built: 1957,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 2,100 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,150 (year 2039),  Design Load: HS 15,  Features Intersected: MILL SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 172.826,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 34.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.3 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 27465,  Location: 0.7 S. 2.9 E. MIDDLETON (Lat: 43.696611,  Lng: -116.561583),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 180 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 270 (year 2039),  Design Load: HS 15,  Features Intersected: LAWRENCE KENNEDY CANAL,  Facility Carried by Structure: EEL LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 161.219,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 20.9 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.55m (5.09ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $236,000,  Roadway Improvement Cost: $24,000,  Total Project Cost: $354,000 ( Estimate for 2019),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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