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Bridge Statistics for Mercer Island, Washington (WA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 24Number of bridges
  • 968ft / 295mTotal length
  • $309,402,000Total costs
  • 1,400,337Total average daily traffic
  • 54,691Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Mercer Island
  • No street view available for this location

New bridges in Mercer Island, WA - historical statistics
  • New bridges - historical statistics
  • 21940-1949
  • 181980-1989
  • 31990-1999
  • 12000-2009
Average Bridge Daily Traffic in Mercer Island, WA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 87.5%Good
  • 12.5%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 75.0%Good
  • 25.0%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 87.5%Good
  • 6.3%Satisfactory
  • 6.3%Fair
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Structure Number: KP,  Location: 3.8 E JCT I-5 (Lat: 47.589258,  Lng: -122.255772),  Route carried "on" structure: Interstate 90,  Year Built: 1940,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 27.13m (89.01ft),  Average Daily Traffic: 73,775 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 104,170 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: LAKE WASHINGTON
Minimum Vertical Clearance: 6.30m (20.67ft),  Kilometerpoint: 6.888,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Navigation Control: Yes ( Vertical Clearance: 8.8m (28.9ft), Horizontal Clearance: 59.4m (194.9ft)),  Material/Design: Steel,  Design/Construction: Arch - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 3,  Length of Maximum Span: 69.2m (227.0ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 26.6 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: 20.7 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: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 27.13m (89.01ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: May 2021,  Critical Feature Inspection Date: May 2021,  Underwater Inspection Date: May 2018,  Bridge Improvement Cost: $9,612,000,  Roadway Improvement Cost: $1,922,000,  Total Project Cost: $19,224,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 11490A,  Location: 5.9 E JCT I-5 (Lat: 47.578217,  Lng: -122.204706),  Route carried "on" structure: Interstate 90,  Year Built: 1981,  Status: Open,  Structure Length: 67.79m (222.41ft),  Average Daily Traffic: 74,752 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 105,549 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: EAST CHANNEL-LK WASH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.647,  Lanes on structure: 6,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 9 degrees,  Navigation Control: Yes ( Vertical Clearance: 16.5m (54.1ft), Horizontal Clearance: 61.0m (200.1ft)),  Material/Design: Steel continuous,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 9,  Length of Maximum Span: 91.4m (299.9ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 0.0m,  Curb-To-Curb Width: 24.4m (80.1ft),  Out-to-Out Width: 28.0m (91.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 67.79m (222.41ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: September 2018,  Underwater Inspection Date: May 2018,  Other Special Inspection Date: October 2020,  Bridge Improvement Cost: $36,474,000,  Roadway Improvement Cost: $7,295,000,  Total Project Cost: $72,947,000 ( Estimate for 2014),  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: 12833C,  Location: 3.0 E JCT I-5 (Lat: 47.589750,  Lng: -122.258750),  Route carried "on" structure: Interstate 90,  Year Built: 1989,  Status: Open,  Structure Length: 44.87m (147.21ft),  Average Daily Traffic: 73,775 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 104,170 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: LAKE WASHINGTON
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.888,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 30 degrees,  Navigation Control: Yes ( Vertical Clearance: 10.4m (34.1ft), Horizontal Clearance: 59.4m (194.9ft)),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 7,  Length of Maximum Span: 71.9m (235.9ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 0.0m,  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 19.2m (63.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 40.5 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: 31.1 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 minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 44.87m (147.21ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Critical Feature Inspection Date: April 2021,  Underwater Inspection Date: May 2018,  Other Special Inspection Date: April 2021,  Bridge Improvement Cost: $15,898,000,  Roadway Improvement Cost: $3,180,000,  Total Project Cost: $31,795,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 12912A,  Location: 5.9 E JCT I-5 (Lat: 47.577817,  Lng: -122.204658),  Route carried "on" structure: Interstate 90,  Year Built: 1988,  Status: Open,  Structure Length: 67.79m (222.41ft),  Average Daily Traffic: 74,752 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 105,549 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: EAST CHANNEL-LK WASH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.647,  Lanes on structure: 5,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 46.3m (151.9ft),  Navigation Control: Yes ( Vertical Clearance: 19.8m (65.0ft), Horizontal Clearance: 61.0m (200.1ft)),  Material/Design: Steel continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 9,  Length of Maximum Span: 91.4m (299.9ft),  Curb-To-Curb Width: 33.7m (110.6ft),  Out-to-Out Width: 34.6m (113.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 65.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.0 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,  Underclear: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 67.79m (222.41ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: September 2018,  Underwater Inspection Date: May 2018,  Other Special Inspection Date: October 2020,  Bridge Improvement Cost: $68,499,000,  Roadway Improvement Cost: $13,700,000,  Total Project Cost: $136,998,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 13192A,  Location: 4.0 E JCT I-5 (Lat: 47.589278,  Lng: -122.237722),  Route carried "on" structure: City street ,  Year Built: 1989,  Status: Open,  Structure Length: 10.97m (35.99ft),  Average Daily Traffic: 12,230 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 16,388 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: CITY ST - 76TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.547,  Lanes on structure: 3,  Lanes under structure: 10,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 9 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 40.2m (131.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 31.4m (103.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 89.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.97m (35.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $3,024,000,  Roadway Improvement Cost: $605,000,  Total Project Cost: $6,048,000 ( Estimate for 2014),  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: 13192B,  Location: 4.2 E JCT I-5 (Lat: 47.588306,  Lng: -122.234889),  Route carried "on" structure: City street ,  Year Built: 1989,  Status: Open,  Structure Length: 8.75m (28.71ft),  Average Daily Traffic: 11,507 (year 2002),  Truck Traffic: 2%,  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: 77TH AVE SE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.048,  Lanes on structure: 3,  Lanes under structure: 11,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.6m (107.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 40.8m (133.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 63.5 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: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.75m (28.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $2,870,000,  Roadway Improvement Cost: $574,000,  Total Project Cost: $5,740,000 ( Estimate for 2014),  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: 13195A,  Location: 4.4 E JCT I-5 (Lat: 47.586689,  Lng: -122.231667),  Route carried "on" structure: City street ,  Year Built: 1988,  Status: Open,  Structure Length: 11.70m (38.39ft),  Average Daily Traffic: 3,102 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 4,157 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: 80TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.032,  Lanes on structure: 4,  Lanes under structure: 12,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 37.8m (124.0ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 42.7m (140.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 26.6 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: 20.4 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: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 11.70m (38.39ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $4,147,000,  Roadway Improvement Cost: $829,000,  Total Project Cost: $8,294,000 ( Estimate for 2014),  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: 13195B,  Location: 4.4 E JCT I-5 (Lat: 47.587417,  Lng: -122.231500),  Route carried "on" structure: Ramp Interstate 90,  Year Built: 1989,  Status: Open,  Structure Length: 7.01m (23.00ft),  Average Daily Traffic: 983 (year 2009),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,726 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: RELIEF
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.01m (23.00ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2018,  Bridge Improvement Cost: $1,334,000,  Roadway Improvement Cost: $267,000,  Total Project Cost: $2,668,000 ( Estimate for 2014),  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: 13195E,  Location: 4.0 E JCT SR 900 (Lat: 47.586556,  Lng: -122.230028),  Route carried "on" structure: City street ,  Year Built: 1989,  Status: Open,  Structure Length: 7.86m (25.79ft),  Average Daily Traffic: 9,063 (year 2007),  Truck Traffic: 2%,  Average Future Daily Traffic: 15,634 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: ISLAND CREST WAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.032,  Lanes on structure: 4,  Lanes under structure: 12,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.7m (58.1ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 30.8m (101.0ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 41.5m (136.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 89.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.86m (25.79ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $3,096,000,  Roadway Improvement Cost: $619,000,  Total Project Cost: $6,192,000 ( Estimate for 2014),  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: 13221A,  Location: 5.7 E JCT I-5 (Lat: 47.577778,  Lng: -122.207444),  Route carried "on" structure: City street ,  Year Built: 1988,  Status: Open,  Structure Length: 7.25m (23.79ft),  Average Daily Traffic: 8,510 (year 2007),  Truck Traffic: 2%,  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: EAST MERCER WAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.016,  Lanes on structure: 3,  Lanes under structure: 10,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 29.0m (95.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 37.0m (121.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 35.6 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: 27.2 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 minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.25m (23.79ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $2,285,000,  Roadway Improvement Cost: $457,000,  Total Project Cost: $4,570,000 ( Estimate for 2014),  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: 13221B,  Location: 5.0 E JCT SR 900 (Lat: 47.578556,  Lng: -122.212889),  Route carried "on" structure: City street ,  Year Built: 1989,  Status: Open,  Structure Length: 7.77m (25.49ft),  Average Daily Traffic: 2,922 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 5,108 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: NORTH MERCER WAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.604,  Lanes on structure: 2,  Lanes under structure: 10,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 9 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.9m (85.0ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 33.5m (109.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 62.5 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: 48.3 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: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.77m (25.49ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2018,  Bridge Improvement Cost: $1,530,000,  Roadway Improvement Cost: $306,000,  Total Project Cost: $3,060,000 ( Estimate for 2014),  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: 13299A,  Location: 5.0 E JCT I-5 (Lat: 47.581861,  Lng: -122.219389),  Route carried "on" structure: City street ,  Year Built: 1989,  Status: Open,  Structure Length: 6.25m (20.51ft),  Average Daily Traffic: 16,800 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 22,643 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: SHOREWOOD DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.257,  Lanes on structure: 2,  Lanes under structure: 8,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 9 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.5m (77.1ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 32.0m (105.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 71.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.25m (20.51ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $1,230,000,  Roadway Improvement Cost: $246,000,  Total Project Cost: $2,460,000 ( Estimate for 2014),  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: 13659A,  Location: 3.4 E JCT I-5 (Lat: 47.592064,  Lng: -122.243083),  Route carried "on" structure: City street 90,  Year Built: 1992,  Status: Open,  Structure Length: 9.11m (29.89ft),  Average Daily Traffic: 2,472 (year 2002),  Truck Traffic: 3%,  Average Future Daily Traffic: 4,321 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: FIRST HILL LID,  Facility Carried by Structure: 72ND AVE SE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.209,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 24.1m (79.1ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 0.0m,  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 23.0 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: 17.8 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: Meets minimum limits,  Deck Geometry: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 9.11m (29.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $1,555,000,  Roadway Improvement Cost: $311,000,  Total Project Cost: $3,110,000 ( Estimate for 2014),  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: 13666B,  Location: 4.4 E JCT I-5 (Lat: 47.585486,  Lng: -122.231206),  Route carried "on" structure: City street ,  Year Built: 1992,  Status: Open,  Structure Length: 3.69m (12.11ft),  Average Daily Traffic: 9,120 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 15,942 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: I-90 E-S RAMP,  Facility Carried by Structure: SE 28TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.177,  Lanes on structure: 4,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 19.2m (63.0ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 19.8m (65.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.69m (12.11ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $1,210,000,  Roadway Improvement Cost: $242,000,  Total Project Cost: $2,420,000 ( Estimate for 2014),  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: 17217A,  Location: 4.4 E JCT I-5 (Lat: 47.586750,  Lng: -122.231594),  Route carried "on" structure: Ramp Interstate 90,  Year Built: 2007,  Status: Open,  Structure Length: 5.79m (19.00ft),  Average Daily Traffic: 434 (year 2012),  Truck Traffic: 5%,  Average Future Daily Traffic: 726 (year 2036),  Design Load: HL 93,  Features Intersected: RELIEF
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.290,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 26.8m (87.9ft),  Curb-To-Curb Width: 7.6m (24.9ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 76.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.79m (19.00ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2018,  Bridge Improvement Cost: $1,026,000,  Roadway Improvement Cost: $205,000,  Total Project Cost: $2,052,000 ( Estimate for 2014),  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: 818,  Location: 0.9 MI W OF SR-203 (Lat: 47.743833,  Lng: -122.004611),  Route carried "on" structure: County highway 96818,  Year Built: 1948,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 10,564 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 15,000 (year 2039),  Design Load: HS 15,  Features Intersected: TUCK CREEK,  Facility Carried by Structure: WOODINVILLE DUVALL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Very good,  Operating Rating: 58.0 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: 44.7 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: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.83m (6.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $912,000,  Roadway Improvement Cost: $182,000,  Total Project Cost: $1,824,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 13192A,  Location: 4.0 E JCT I-5 (Lat: 47.589278,  Lng: -122.237722),  Route carried "under" structure: Interstate 90,  Year Built: 1989,  Structure Length: 0. m,  Average Daily Traffic: 147,006 (year 2019),  Truck Traffic: 4%,  Features Intersected: I-90,  Facility Carried by Structure: CITY ST - 76TH AVE
Minimum Vertical Clearance: 5.16m (16.93ft),  Kilometerpoint: 10.783,  Lanes on structure: 3,  Lanes under structure: 10,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 40.2m (131.9ft)

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Structure Number: 13192B,  Location: 4.2 E JCT I-5 (Lat: 47.588306,  Lng: -122.234889),  Route carried "under" structure: Interstate 90,  Year Built: 1989,  Structure Length: 0. m,  Average Daily Traffic: 138,173 (year 2019),  Truck Traffic: 4%,  Features Intersected: I-90,  Facility Carried by Structure: 77TH AVE SE
Minimum Vertical Clearance: 6.93m (22.74ft),  Kilometerpoint: 11.024,  Lanes on structure: 3,  Lanes under structure: 11,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 32.6m (107.0ft)

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Structure Number: 13195A,  Location: 4.4 E JCT I-5 (Lat: 47.586689,  Lng: -122.231667),  Route carried "under" structure: Interstate 90,  Year Built: 1988,  Structure Length: 0. m,  Average Daily Traffic: 138,173 (year 2019),  Truck Traffic: 4%,  Features Intersected: I-90,  Facility Carried by Structure: 80TH AVE
Minimum Vertical Clearance: 5.82m (19.09ft),  Kilometerpoint: 11.282,  Lanes on structure: 4,  Lanes under structure: 11,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 37.8m (124.0ft)

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Structure Number: 13195E,  Location: 4.5 E JCT I-5 (Lat: 47.586556,  Lng: -122.230028),  Route carried "under" structure: Interstate 90,  Year Built: 1989,  Structure Length: 0. m,  Average Daily Traffic: 138,173 (year 2019),  Truck Traffic: 4%,  Features Intersected: I-90,  Facility Carried by Structure: ISLAND CREST WAY
Minimum Vertical Clearance: 5.97m (19.59ft),  Kilometerpoint: 11.442,  Lanes on structure: 4,  Lanes under structure: 11,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 30.8m (101.0ft)

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Structure Number: 13221A,  Location: 5.7 E JCT I-5 (Lat: 47.577778,  Lng: -122.207444),  Route carried "under" structure: Interstate 90,  Year Built: 1988,  Structure Length: 0. m,  Average Daily Traffic: 149,504 (year 2019),  Truck Traffic: 4%,  Features Intersected: I-90,  Facility Carried by Structure: EAST MERCER WAY
Minimum Vertical Clearance: 6.35m (20.83ft),  Kilometerpoint: 13.438,  Lanes on structure: 3,  Lanes under structure: 10,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 29.0m (95.1ft)

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Structure Number: 13221B,  Location: 5.4 E JCT I-5 (Lat: 47.578556,  Lng: -122.212889),  Route carried "under" structure: Interstate 90,  Year Built: 1989,  Structure Length: 0. m,  Average Daily Traffic: 149,504 (year 2019),  Truck Traffic: 4%,  Features Intersected: I-90,  Facility Carried by Structure: NORTH MERCER WAY
Minimum Vertical Clearance: 7.70m (25.26ft),  Kilometerpoint: 13.020,  Lanes on structure: 2,  Lanes under structure: 10,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 25.9m (85.0ft)

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Structure Number: 13299A,  Location: 5.0 E JCT I-5 (Lat: 47.581861,  Lng: -122.219389),  Route carried "under" structure: Interstate 90,  Year Built: 1989,  Structure Length: 0. m,  Average Daily Traffic: 149,504 (year 2019),  Truck Traffic: 4%,  Features Intersected: I-90,  Facility Carried by Structure: SHOREWOOD DRIVE
Minimum Vertical Clearance: 5.46m (17.91ft),  Kilometerpoint: 12.392,  Lanes on structure: 2,  Lanes under structure: 8,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 23.5m (77.1ft)

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Structure Number: 13666B,  Location: 4.4 E JCT I-5 (Lat: 47.585486,  Lng: -122.231206),  Route carried "under" structure: Ramp Interstate 90,  Year Built: 1992,  Structure Length: 0. m,  Average Daily Traffic: 5,539 (year 2012),  Truck Traffic: 5%,  Features Intersected: I-90 E-S RAMP,  Facility Carried by Structure: SE 28TH ST
Minimum Vertical Clearance: 6.20m (20.34ft),  Kilometerpoint: 0.467,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Length of Maximum Span: 19.2m (63.0ft)

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