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Bridge Statistics for Signal Hill, California (CA) - Condition, Traffic, Stress, Structural Evaluation, Project Costs

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National Bridge Inventory (NBI) Statistics
Number of bridges: 11
Total length: 111 meters (364ft)
Total average daily traffic: 1,976,700
Total average daily truck traffic: 98,991
National Bridge Inventory (NBI) Registered Bridges for Signal Hill

Average Daily Traffic

Bridge Condition - Deck

Bridge Condition - Superstructure

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Structure Number: 53 1202,  Location: 07-LA-405-5.39-SIGH (Lat: 33.815000,  Lng: -118.175000),  Route carried "on" structure: City street ,  Year Built: 1964,  Status: Open,  Structure Length: 9.72m (31.89ft),  Average Daily Traffic: 5,600 (year 2000),  Truck Traffic: 10%,  Average Future Daily Traffic: 6,904 (year 2029),  Design Load: HS 20,  Features Intersected: ROUTE 405,  Facility Carried by Structure: ORANGE AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 14,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 17.1m (56.1ft),  Out-to-Out Width: 21.4m (70.2ft)

Condition: Deck: Poor,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 69.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.7 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: High priority of corrective action,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 53 1203,  Location: 07-LA-405-5.64-SIGH (Lat: 33.815000,  Lng: -118.180000),  Route carried "on" structure: City street ,  Year Built: 1964,  Status: Open,  Structure Length: 9.54m (31.30ft),  Average Daily Traffic: 3,100 (year 2000),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,812 (year 2029),  Design Load: HS 20+Mod,  Features Intersected: I 405 & RAMPS,  Facility Carried by Structure: CALIFORNIA AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 12,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 17.1m (56.1ft),  Out-to-Out Width: 21.4m (70.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 63.8 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,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 53 1202,  Location: 07-LA-405-5.39-SIGH (Lat: 33.815000,  Lng: -118.175000),  Route carried "under" structure: Interstate 405,  Year Built: 1964,  Structure Length: 9.72m (31.89ft),  Average Daily Traffic: 289,000 (year 2000),  Truck Traffic: 5%,  Features Intersected: ROUTE 405,  Facility Carried by Structure: ORANGE AVENUE
Minimum Vertical Clearance: 4.62m (15.16ft),  Kilometerpoint: 0.539,  Lanes on structure: 3,  Lanes under structure: 1,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 53 1202,  Location: 07-LA-405-5.39-SIGH (Lat: 33.815000,  Lng: -118.175000),  Route carried "under" structure: Interstate 405,  Year Built: 1964,  Structure Length: 9.72m (31.89ft),  Average Daily Traffic: 278,000 (year 2001),  Truck Traffic: 5%,  Features Intersected: ROUTE 405,  Facility Carried by Structure: ORANGE AVENUE
Minimum Vertical Clearance: 4.83m (15.85ft),  Kilometerpoint: 0.539,  Lanes on structure: 3,  Lanes under structure: 12,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 53 1202,  Location: 07-LA-405-5.39-SIGH (Lat: 33.815000,  Lng: -118.175000),  Route carried "under" structure: Interstate 405,  Year Built: 1964,  Structure Length: 9.72m (31.89ft),  Average Daily Traffic: 278,000 (year 2001),  Truck Traffic: 5%,  Features Intersected: ROUTE 405,  Facility Carried by Structure: ORANGE AVENUE
Minimum Vertical Clearance: 0.48m (1.57ft),  Kilometerpoint: 0.539,  Lanes on structure: 3,  Lanes under structure: 1,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 53 1203,  Location: 07-LA-405-5.64-SIGH (Lat: 33.815000,  Lng: -118.180000),  Route carried "under" structure: Ramp Interstate 405,  Year Built: 1964,  Structure Length: 9.54m (31.30ft),  Truck Traffic: 5%,  Features Intersected: I 405 & RAMPS,  Facility Carried by Structure: CALIFORNIA AVE
Minimum Vertical Clearance: 4.78m (15.68ft),  Kilometerpoint: 0.564,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 53 1203,  Location: 07-LA-405-5.64-SIGH (Lat: 33.815000,  Lng: -118.180000),  Route carried "under" structure: Ramp Interstate 405,  Year Built: 1964,  Structure Length: 9.54m (31.30ft),  Truck Traffic: 5%,  Features Intersected: I 405 & RAMPS,  Facility Carried by Structure: CALIFORNIA AVE
Minimum Vertical Clearance: 5.82m (19.09ft),  Kilometerpoint: 0.564,  Lanes on structure: 2,  Lanes under structure: 1,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 53 1203,  Location: 07-LA-405-5.64-SIGH (Lat: 33.815000,  Lng: -118.180000),  Route carried "under" structure: Interstate 405,  Year Built: 1964,  Structure Length: 9.54m (31.30ft),  Average Daily Traffic: 278,000 (year 2001),  Truck Traffic: 5%,  Features Intersected: I 405 & RAMPS,  Facility Carried by Structure: CALIFORNIA AVE
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 0.564,  Lanes on structure: 2,  Lanes under structure: 9,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 53 1515,  Location: 07-LA-405-5.76-SIGH (Lat: 33.815000,  Lng: -118.181667),  Route carried "under" structure: Interstate 405,  Year Built: 1963,  Structure Length: 11.34m (37.20ft),  Average Daily Traffic: 289,000 (year 2000),  Truck Traffic: 5%,  Features Intersected: UTILITY OC
Minimum Vertical Clearance: 5.94m (19.49ft),  Kilometerpoint: 0.576,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 29.0m (95.1ft)

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Structure Number: 53 1515,  Location: 07-LA-405-5.76-SIGH (Lat: 33.815000,  Lng: -118.181667),  Route carried "under" structure: Interstate 405,  Year Built: 1963,  Structure Length: 11.34m (37.20ft),  Average Daily Traffic: 278,000 (year 2001),  Truck Traffic: 5%,  Features Intersected: UTILITY OC
Minimum Vertical Clearance: 4.98m (16.34ft),  Kilometerpoint: 0.576,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 29.0m (95.1ft)

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Structure Number: 53 1515,  Location: 07-LA-405-5.76-SIGH (Lat: 33.815000,  Lng: -118.181667),  Route carried "under" structure: Interstate 405,  Year Built: 1963,  Structure Length: 11.34m (37.20ft),  Average Daily Traffic: 278,000 (year 2001),  Truck Traffic: 5%,  Features Intersected: UTILITY OC
Minimum Vertical Clearance: 5.11m (16.77ft),  Kilometerpoint: 0.576,  Lanes under structure: 12,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 29.0m (95.1ft)

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