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

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Structure Number: 4337A,  Location: 0.4 N JCT SR 6 (Lat: 46.666667,  Lng: -122.980000),  Route carried "on" structure: City street 5,  Year Built: 1953,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 2,020 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 2,060 ,  Design Load: HS 15,  Features Intersected: I-5,  Facility Carried by Structure: WEST ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 126.150,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 14.0m (45.9ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $50,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $75,000 ( Estimate for 2007),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 5668B,  Location: 1.2 N JCT SR 6 (Lat: 46.675478,  Lng: -122.975664),  Route carried "on" structure: City street 5,  Year Built: 1958,  Status: Open,  Structure Length: 5.64m (18.50ft),  Average Daily Traffic: 14,533 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 14,824 ,  Design Load: HS 20,  Features Intersected: I-5,  Facility Carried by Structure: CHAMBER WAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 127.240,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 15.8m (51.8ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2008,  Bridge Improvement Cost: $61,000,  Roadway Improvement Cost: $6,000,  Total Project Cost: $92,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 10134A,  Location: 6.3 E JCT SR 603 (Lat: 46.659139,  Lng: -122.978667),  Route carried "on" structure: Ramp State highway 6,  Year Built: 1976,  Status: Open,  Structure Length: 4.60m (15.09ft),  Average Daily Traffic: 1,255 (year 2002),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,268 ,  Design Load: HS 20+Mod,  Features Intersected: DILLENBAUGH CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 82.590,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 43.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.2 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2008,  Bridge Improvement Cost: $38,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $57,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 10134B,  Location: 6.8 N JCT SR 508 (Lat: 46.660000,  Lng: -122.976667),  Route carried "on" structure: Ramp Interstate 5,  Year Built: 1976,  Status: Open,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 2,448 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 2,546 (year 2022),  Design Load: HS 20+Mod,  Features Intersected: DILLENBAUGH CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 125.440,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 81.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2005,  Bridge Improvement Cost: $35,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $53,000 ( Estimate for 2006),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 11336A,  Location: 6.5 N JCT SR 508 (Lat: 46.655000,  Lng: -122.975000),  Route carried "on" structure: Interstate 5,  Year Built: 1953,  Status: Open,  Structure Length: 6.07m (19.91ft),  Average Daily Traffic: 63,560 (year 2006),  Truck Traffic: 22%,  Average Future Daily Traffic: 97,800 (year 2026),  Design Load: HS 20,  Features Intersected: CW RY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 124.710,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 30 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 24.5m (80.4ft),  Out-to-Out Width: 25.9m (85.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.1 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2008,  Bridge Improvement Cost: $132,000,  Roadway Improvement Cost: $13,000,  Total Project Cost: $198,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 11430A,  Location: 6.8 N JCT SR 508 (Lat: 46.660486,  Lng: -122.978333),  Route carried "on" structure: Interstate 5,  Year Built: 1952,  Year Reconstructed: 1979,  Status: Open,  Structure Length: 4.94m (16.21ft),  Average Daily Traffic: 56,912 (year 2006),  Truck Traffic: 22%,  Average Future Daily Traffic: 87,600 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: DILLENBAUGH CRK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 125.240,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 30 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 24.7m (81.0ft),  Out-to-Out Width: 25.6m (84.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 49.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2006,  Bridge Improvement Cost: $114,000,  Roadway Improvement Cost: $11,000,  Total Project Cost: $171,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 11430B,  Location: 26.7 E PACIFIC CO (Lat: 46.660000,  Lng: -122.976667),  Route carried "on" structure: State highway 6,  Year Built: 1980,  Status: Open,  Structure Length: 6.52m (21.39ft),  Average Daily Traffic: 13,444 (year 2006),  Truck Traffic: 9%,  Average Future Daily Traffic: 21,600 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: I-5
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 82.590,  Lanes on structure: 4,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 18.9m (62.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 32.6m (107.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.3m (7.5ft),  Curb-To-Curb Width: 18.6m (61.0ft),  Out-to-Out Width: 21.8m (71.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.5 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2007,  Bridge Improvement Cost: $114,000,  Roadway Improvement Cost: $11,000,  Total Project Cost: $171,000 ( Estimate for 2007),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 12597A,  Location: 6.1 N JCT SR 508 (Lat: 46.651667,  Lng: -122.971667),  Route carried "on" structure: Interstate 5,  Year Built: 1954,  Year Reconstructed: 1986,  Status: Open,  Structure Length: 16.37m (53.71ft),  Average Daily Traffic: 63,560 (year 2006),  Truck Traffic: 22%,  Average Future Daily Traffic: 97,800 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: NP RY & DILLENBAUGH CR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 124.090,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 35 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 8,  Length of Maximum Span: 28.3m (92.8ft),  Curb-To-Curb Width: 24.7m (81.0ft),  Out-to-Out Width: 25.8m (84.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.1 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2008,  Bridge Improvement Cost: $300,000,  Roadway Improvement Cost: $30,000,  Total Project Cost: $450,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 85257,  Location: 0.1 W OF NE KRESKY (Lat: 46.681667,  Lng: -122.955000),  Route carried "on" structure: Alternate City street 600,  Year Built: 1971,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 1,553 (year 2002),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,300 ,  Design Load: H 15,  Features Intersected: SALZER CREEK,  Facility Carried by Structure: NE EXHIBITOR RD.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.030,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 11.5m (37.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 37.8 metric tons,  Inventory Rating: 24.3 metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2008,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 85337,  Location: 0.1 N OF NE HAMPE (Lat: 46.680000,  Lng: -122.963333),  Route carried "on" structure: Alternate City street 300,  Year Built: 1936,  Year Reconstructed: 1974,  Status: Open,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 11,436 (year 2002),  Truck Traffic: 5%,  Average Future Daily Traffic: 23,000 ,  Design Load: H 15,  Features Intersected: SALZER CREEK,  Facility Carried by Structure: N NATIONAL AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.090,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 10.7m (35.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 37.8 metric tons,  Inventory Rating: 24.3 metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2008,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 85338,  Location: 0.4 N OF NE HAMPE (Lat: 46.693333,  Lng: -122.955000),  Route carried "on" structure: Alternate City street 400,  Year Built: 1964,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 7,707 (year 2002),  Truck Traffic: 5%,  Average Future Daily Traffic: 25,000 ,  Features Intersected: SALZER CREEK,  Facility Carried by Structure: NE KRESKY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.570,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 37.8 metric tons,  Inventory Rating: 24.3 metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2008,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 85516,  Location: 0.1 E OF INTERSTATE 5 (Lat: 46.673750,  Lng: -122.971528),  Route carried "on" structure: City street 500,  Year Built: 1952,  Status: Open,  Structure Length: 11.46m (37.60ft),  Average Daily Traffic: 11,000 (year 1996),  Truck Traffic: 5%,  Average Future Daily Traffic: 17,000 ,  Features Intersected: BN RR & N NAT'L AVE,  Facility Carried by Structure: CHAMBER WAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.450,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 6,  Length of Maximum Span: 36.3m (119.1ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 46.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 27.9 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: December 2006,  Critical Feature Inspection Date: December 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 86159,  Location: RIVERSIDE DRIVE (Lat: 46.658333,  Lng: -122.975000),  Route carried "on" structure: City street 190,  Year Built: 1952,  Status: Open,  Structure Length: 4.97m (16.31ft),  Average Daily Traffic: 3,841 (year 2002),  Truck Traffic: 7%,  Average Future Daily Traffic: 6,700 ,  Design Load: H 15,  Features Intersected: DILLENBAUGH CREEK,  Facility Carried by Structure: RIVERSIDE DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.130,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 38.7 metric tons,  Inventory Rating: 24.3 metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2008,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 4337A,  Location: 0.4 N JCT SR 6 (Lat: 46.666667,  Lng: -122.980000),  Route carried "under" structure: Interstate 5,  Year Built: 1953,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 62,691 (year 2002),  Truck Traffic: 30%,  Features Intersected: I-5,  Facility Carried by Structure: WEST ST
Minimum Vertical Clearance: 5.89m (19.32ft),  Kilometerpoint: 12.615,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Length of Maximum Span: 14.0m (45.9ft)

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Structure Number: 5668B,  Location: 1.2 N JCT SR 6 (Lat: 46.675478,  Lng: -122.975664),  Route carried "under" structure: Interstate 5,  Year Built: 1958,  Structure Length: 5.64m (18.50ft),  Average Daily Traffic: 55,791 (year 2002),  Truck Traffic: 30%,  Features Intersected: I-5,  Facility Carried by Structure: CHAMBER WAY
Minimum Vertical Clearance: 4.78m (15.68ft),  Kilometerpoint: 12.724,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 15.8m (51.8ft)

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Structure Number: 11430B,  Location: 6.9 N JCT SR 508 (Lat: 46.660000,  Lng: -122.976667),  Route carried "under" structure: Interstate 5,  Year Built: 1980,  Structure Length: 6.52m (21.39ft),  Average Daily Traffic: 54,000 (year 2002),  Truck Traffic: 15%,  Features Intersected: I-5,  Facility Carried by Structure: SR 6
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 12.545,  Lanes on structure: 4,  Lanes under structure: 4,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.6m (107.0ft)