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


  • National Bridge Inventory (NBI) Statistics
  • 12Number of bridges
  • 180ft / 55.1mTotal length
  • $49,153,000Total costs
  • 195,702Total average daily traffic
  • 18,343Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Mirrormont
  • No street view available for this location

New bridges in Mirrormont, WA - historical statistics
  • New bridges - historical statistics
  • 11930-1939
  • 11940-1949
  • 21950-1959
  • 11960-1969
  • 51970-1979
  • 12000-2009
  • 12010-2019
Average Bridge Daily Traffic in Mirrormont, WA
Average Bridge Truck Traffic in Mirrormont, WA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 18.2%Very good
  • 9.1%Good
  • 54.5%Satisfactory
  • 18.2%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 18.2%Very good
  • 27.3%Good
  • 27.3%Satisfactory
  • 27.3%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 18.2%Very good
  • 18.2%Good
  • 18.2%Satisfactory
  • 18.2%Fair
  • 27.3%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 66.7%Very good
  • 33.3%Satisfactory
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Structure Number: 9820B,  Location: 6.7 E JCT SR 900 (Lat: 47.526625,  Lng: -121.938417),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Open,  Structure Length: 8.66m (28.41ft),  Average Daily Traffic: 8,022 (year 2012),  Truck Traffic: 24%,  Design Load: HS 20+Mod,  Features Intersected: I-90,  Facility Carried by Structure: SE 82ND ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.064,  Lanes on structure: 2,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 45.1m (148.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 84.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.9 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.66m (28.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $3,181,000,  Roadway Improvement Cost: $636,000,  Total Project Cost: $6,362,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 9823A,  Location: 7.5 E JCT SR 900 (Lat: 47.518444,  Lng: -121.925306),  Route carried "on" structure: Interstate 90,  Year Built: 1975,  Status: Open,  Structure Length: 11.25m (36.91ft),  Average Daily Traffic: 33,453 (year 2019),  Truck Traffic: 8%,  Average Future Daily Traffic: 47,235 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: RAGING RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 37.659,  Lanes on structure: 4,  Lanes under structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 20.7m (67.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 41.8m (137.1ft),  Curb-To-Curb Width: 20.7m (67.9ft),  Out-to-Out Width: 21.6m (70.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 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,  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: 11.25m (36.91ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $5,166,000,  Roadway Improvement Cost: $1,033,000,  Total Project Cost: $10,332,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 9823B,  Location: 7.5 E JCT SR 900 (Lat: 47.518806,  Lng: -121.925250),  Route carried "on" structure: Interstate 90,  Year Built: 1975,  Status: Open,  Structure Length: 11.98m (39.30ft),  Average Daily Traffic: 33,453 (year 2019),  Truck Traffic: 8%,  Average Future Daily Traffic: 47,235 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: RAGING RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 37.659,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 41.8m (137.1ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 59.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 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,  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: 11.98m (39.30ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2018,  Bridge Improvement Cost: $4,244,000,  Roadway Improvement Cost: $849,000,  Total Project Cost: $8,489,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 15927A,  Location: 6.3 E JCT SR 169 (Lat: 47.451650,  Lng: -121.954481),  Route carried "on" structure: State highway 18,  Year Built: 2001,  Status: Open,  Structure Length: 4.30m (14.11ft),  Average Daily Traffic: 26,940 (year 2019),  Truck Traffic: 16%,  Average Future Daily Traffic: 38,039 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: TERRAIN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 35.438,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 42.1m (138.1ft),  Curb-To-Curb Width: 15.4m (50.5ft),  Out-to-Out Width: 15.9m (52.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 70.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.30m (14.11ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Bridge Improvement Cost: $1,466,000,  Roadway Improvement Cost: $293,000,  Total Project Cost: $2,933,000 ( 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: 81941,  Location: 0.2 MI W OF ISS-HOBART RD (Lat: 47.483611,  Lng: -122.029667),  Route carried "on" structure: County highway 98921,  Year Built: 1932,  Year Reconstructed: 1973,  Status: Temporarily open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 4,279 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 7,730 (year 2040),  Design Load: H 15,  Features Intersected: FIFTEEN MILE CREEK,  Facility Carried by Structure: SE MAY VALLEY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.2m (17.1ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 0.0m,  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 16.5 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: 10.4 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: High priority of replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.52m (4.99ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $760,000,  Roadway Improvement Cost: $152,000,  Total Project Cost: $1,520,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 81947,  Location: 0.3 MI S OF SE MAY VLY RD (Lat: 47.480306,  Lng: -122.029000),  Route carried "on" structure: County highway 93690,  Year Built: 1949,  Status: Open,  Structure Length: 1.95m (6.40ft),  Average Daily Traffic: 21,368 (year 2017),  Truck Traffic: 3%,  Average Future Daily Traffic: 26,000 (year 2037),  Design Load: HL 93,  Features Intersected: FIFTEEN MILE CREEK,  Facility Carried by Structure: ISSQ-HOBART RD SE
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: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 20.1 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: 15.9 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: High priority of replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.26m (7.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $1,125,000,  Roadway Improvement Cost: $225,000,  Total Project Cost: $2,250,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 83002,  Location: 2 MI E OF SR-169 (Lat: 47.462444,  Lng: -122.025500),  Route carried "on" structure: County highway 98579,  Year Built: 1962,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 4,568 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 8,250 (year 2040),  Design Load: HS 20,  Features Intersected: ISSAQUAH CREEK,  Facility Carried by Structure: CEDAR GROVE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  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: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.58m (5.18ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $790,000,  Roadway Improvement Cost: $158,000,  Total Project Cost: $1,581,000 ( Estimate for 2014),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 83023,  Location: 2 MI E OF SR-169 (Lat: 47.462117,  Lng: -122.025072),  Route carried "on" structure: County highway 80600,  Year Built: 1952,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 230 (year 2019),  Average Future Daily Traffic: 400 (year 2039),  Design Load: H 20,  Features Intersected: ISSAQUAH CREEK,  Facility Carried by Structure: SE 156TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 21.1 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: 14.3 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: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.52m (4.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $760,000,  Roadway Improvement Cost: $152,000,  Total Project Cost: $1,520,000 ( Estimate for 2014),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 83305,  Location: 0.1 MI S HOBART-ISS ROAD (Lat: 47.457500,  Lng: -122.004611),  Route carried "on" structure: County highway 80570,  Year Built: 1951,  Year Reconstructed: 1974,  Status: Posted for load,  Structure Length: 1.65m (5.41ft),  Average Daily Traffic: 330 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 550 (year 2040),  Design Load: HS 20,  Features Intersected: ISSAQUAH CREEK,  Facility Carried by Structure: 252 AVE SE ISSAQ
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Very good,  Operating Rating: 38.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 1.95m (6.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $973,000,  Roadway Improvement Cost: $195,000,  Total Project Cost: $1,946,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 8446,  Location: 0.2 MI N OF I-90 (Lat: 47.519561,  Lng: -121.925933),  Route carried "on" structure: County highway 82780,  Year Built: 1974,  Status: Open,  Structure Length: 9.63m (31.59ft),  Average Daily Traffic: 1,138 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,450 (year 2040),  Design Load: HS 20,  Features Intersected: RAGING RIVER,  Facility Carried by Structure: UPPER PRESTON RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 44.5m (146.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 52.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 9.94m (32.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $4,955,000,  Roadway Improvement Cost: $991,000,  Total Project Cost: $9,910,000 ( Estimate for 2014),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay
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Structure Number: 88567,  Location: 0.2 MI N TIGER MT. RD (Lat: 47.477806,  Lng: -122.020361),  Route carried "on" structure: County highway 81860,  Year Built: 2013,  Status: Open,  Structure Length: 2.01m (6.59ft),  Average Daily Traffic: 104 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 300 (year 2038),  Design Load: HL 93,  Features Intersected: 15 MILE CREEK,  Facility Carried by Structure: 240TH AVE SE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 53.1 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: 40.8 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: Equal to present desirable criteria,  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: 2.32m (7.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $1,155,000,  Roadway Improvement Cost: $231,000,  Total Project Cost: $2,310,000 ( Estimate for 2014),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other
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Structure Number: 9820B,  Location: 6.7 E JCT SR 900 (Lat: 47.526625,  Lng: -121.938417),  Route carried "under" structure: Interstate 90,  Year Built: 1975,  Structure Length: 0. m,  Average Daily Traffic: 61,817 (year 2019),  Truck Traffic: 8%,  Features Intersected: I-90,  Facility Carried by Structure: SE 82ND ST
Minimum Vertical Clearance: 5.21m (17.09ft),  Kilometerpoint: 36.242,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 45.1m (148.0ft)

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