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Bridge Statistics for Los Alamitos, California (CA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 15Number of bridges
  • 217ft / 66.5mTotal length
  • $3,990,000Total costs
  • 1,016,290Total average daily traffic
  • 32,531Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Los Alamitos
  • No street view available for this location

New bridges in Los Alamitos, CA - historical statistics
  • New bridges - historical statistics
  • 21950-1959
  • 121960-1969
  • 12010-2019
Average Bridge Daily Traffic in Los Alamitos, CA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 44.4%Good
  • 44.4%Fair
  • 11.1%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 66.7%Good
  • 33.3%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 88.9%Good
  • 11.1%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 60.0%Excellent
  • 40.0%Very good
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Structure Number: 55 0347H,  Location: 12-ORA-605-R0.18-LALM (Lat: 33.786992,  Lng: -118.091756),  Route carried "on" structure: Ramp Interstate 605,  Year Built: 1966,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 17,900 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 21,116 (year 2038),  Design Load: HS 20,  Features Intersected: SERVICE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.180,  Lanes on structure: 2,  Lanes under structure: 1,  Base Highway Network: Yes (Inventory Route: 6,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 24 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 13.7m (44.9ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021
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Structure Number: 55 0405,  Location: 12-ORA-605-R1.41-LALM (Lat: 33.802836,  Lng: -118.081608),  Route carried "on" structure: Interstate 605,  Year Built: 1966,  Status: Open,  Structure Length: 6.73m (22.08ft),  Average Daily Traffic: 187,000 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 213,000 (year 2038),  Design Load: HS 20,  Features Intersected: KATELLA AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.410,  Lanes on structure: 10,  Lanes under structure: 5,  Base Highway Network: Yes (Inventory Route: 6,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 45.7m (149.9ft),  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: 22.3m (73.2ft),  Curb-To-Curb Width: 45.7m (149.9ft),  Out-to-Out Width: 46.7m (153.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 55 0405K,  Location: 12-ORA-605-R1.41-LALM (Lat: 33.802839,  Lng: -118.082167),  Route carried "on" structure: Ramp Interstate 605,  Year Built: 1966,  Status: Open,  Structure Length: 6.74m (22.11ft),  Average Daily Traffic: 12,200 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 14,391 (year 2038),  Design Load: HS 20,  Features Intersected: KATELLA AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.410,  Lanes on structure: 2,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  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: 22.6m (74.1ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: High priority of corrective action,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 55 0405S,  Location: 12-ORA-605-R1.41-LALM (Lat: 33.802836,  Lng: -118.081450),  Route carried "on" structure: Ramp Interstate 605,  Year Built: 1966,  Status: Open,  Structure Length: 6.83m (22.41ft),  Average Daily Traffic: 14,500 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 17,104 (year 2038),  Design Load: HS 20,  Features Intersected: KATELLA AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.410,  Lanes on structure: 1,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  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: 22.6m (74.1ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.0m,  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 55 0406,  Location: 12-ORA-605-R1.60-LALM (Lat: 33.805850,  Lng: -118.081175),  Route carried "on" structure: Interstate 605,  Year Built: 1966,  Status: Open,  Structure Length: 10.84m (35.56ft),  Average Daily Traffic: 187,000 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 216,574 (year 2038),  Design Load: HS 20,  Features Intersected: COYOTE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.600,  Lanes on structure: 10,  Base Highway Network: Yes (Inventory Route: 6,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 43.9m (144.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 28.2m (92.5ft),  Curb-To-Curb Width: 43.9m (144.0ft),  Out-to-Out Width: 44.9m (147.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 55 0415,  Location: 12-ORA-605-R0.16-LALM (Lat: 33.786139,  Lng: -118.090469),  Route carried "on" structure: Interstate 605,  Year Built: 1966,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 185,000 (year 2013),  Truck Traffic: 5%,  Average Future Daily Traffic: 213,000 (year 2038),  Design Load: HS 20,  Features Intersected: E22-N405 CONNECTOR RAMP
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.160,  Lanes on structure: 6,  Lanes under structure: 1,  Base Highway Network: Yes (Inventory Route: 6,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 32.3m (106.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 32.3m (106.0ft),  Out-to-Out Width: 51.8m (169.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.16m (3.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021
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Structure Number: 55 0471H,  Location: 12-ORA-605-R0.19-LALM (Lat: 33.786944,  Lng: -118.091925),  Route carried "on" structure: Ramp Interstate 605,  Year Built: 1966,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 17,900 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 21,116 (year 2038),  Features Intersected: LOS ALAMITOS CHANNEL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.190,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 6,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 13.7m (44.9ft),  Out-to-Out Width: 14.7m (48.2ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021
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Structure Number: 55C0052,  Location: 0.3 MI. N/O CERRITOS AVE. (Lat: 33.814194,  Lng: -118.071728),  Route carried "on" structure: City street ,  Year Built: 1955,  Year Reconstructed: 1967,  Status: Open,  Structure Length: 12.98m (42.59ft),  Average Daily Traffic: 24,008 (year 2014),  Truck Traffic: 1%,  Average Future Daily Traffic: 49,330 (year 2041),  Design Load: HS 20,  Features Intersected: COYOTE CREEK CHANNEL,  Facility Carried by Structure: LOS ALAMITOS BLVD.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 25.3m (83.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.4m (4.6ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  Operating Rating: 56.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 12.98m (42.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $2,375,000,  Roadway Improvement Cost: $475,000,  Total Project Cost: $3,990,000 ( Estimate for 2020),  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 55C0264L,  Location: 0.2 MI W/O LOS ALAMITOS (Lat: 33.810475,  Lng: -118.076253),  Route carried "on" structure: City street ,  Year Built: 1962,  Status: Open,  Structure Length: 9.63m (31.59ft),  Average Daily Traffic: 29,391 (year 2014),  Truck Traffic: 1%,  Average Future Daily Traffic: 34,431 (year 2041),  Design Load: HS 20,  Features Intersected: COYOTE CREEK CHANNEL,  Facility Carried by Structure: WB CERRITOS AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 24.1m (79.1ft),  Curb-To-Curb Width: 9.0m (29.5ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  Operating Rating: 71.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Other Special Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 55C0264R,  Location: 0.2 MI. W/O LOS ALAMITOS (Lat: 33.810314,  Lng: -118.076389),  Route carried "on" structure: City street ,  Year Built: 1956,  Status: Open,  Structure Length: 9.69m (31.79ft),  Average Daily Traffic: 29,391 (year 2014),  Truck Traffic: 1%,  Average Future Daily Traffic: 34,431 (year 2041),  Design Load: HS 20,  Features Intersected: COYOTE CREEK CHANNEL,  Facility Carried by Structure: EB CERRITOS AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.8m (25.6ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 24.1m (79.1ft),  Curb or Sidewalk Widths: Left: 1.4m (4.6ft),  Right: 1.4m (4.6ft),  Curb-To-Curb Width: 7.8m (25.6ft),  Out-to-Out Width: 11.3m (37.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Excellent,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 55 0405,  Location: 12-ORA-605-R1.41-LALM (Lat: 33.802836,  Lng: -118.081608),  Route carried "under" structure: City street L030,  Year Built: 1966,  Structure Length: 0. m,  Average Daily Traffic: 15,000 (year 2013),  Truck Traffic: 3%,  Features Intersected: KATELLA AVE,  Facility Carried by Structure: INTERSTATE 605
Minimum Vertical Clearance: 4.77m (15.65ft),  Kilometerpoint: 0.000,  Lanes on structure: 10,  Lanes under structure: 5,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 22.3m (73.2ft)

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Structure Number: 55 0405K,  Location: 12-ORA-605-R1.41-LALM (Lat: 33.802839,  Lng: -118.082167),  Route carried "under" structure: City street ,  Year Built: 1966,  Structure Length: 0. m,  Average Daily Traffic: 15,000 (year 2013),  Truck Traffic: 3%,  Features Intersected: KATELLA AVE,  Facility Carried by Structure: S605-KATELLA OFF R
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 5,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 22.6m (74.1ft)

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Structure Number: 55 0405S,  Location: 12-ORA-605-R1.41-LALM (Lat: 33.802836,  Lng: -118.081450),  Route carried "under" structure: City street ,  Year Built: 1966,  Structure Length: 0. m,  Average Daily Traffic: 15,000 (year 2013),  Truck Traffic: 3%,  Features Intersected: KATELLA AVE,  Facility Carried by Structure: N605-KATELLA OFF R
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 5,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 22.6m (74.1ft)

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Structure Number: 55 0415,  Location: 12-ORA-605-R0.16-LALM (Lat: 33.786139,  Lng: -118.090469),  Route carried "under" structure: Ramp State highway 22,  Year Built: 1966,  Structure Length: 0. m,  Average Daily Traffic: 12,000 (year 2013),  Truck Traffic: 3%,  Features Intersected: E22-N405 CONNECTOR RAMP,  Facility Carried by Structure: INTERSTATE 605
Minimum Vertical Clearance: 4.77m (15.65ft),  Kilometerpoint: 0.600,  Lanes on structure: 6,  Lanes under structure: 1,  Material/Design: Concrete,  Design/Construction: Slab,  Length of Maximum Span: 10.4m (34.1ft)

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Structure Number: 55 1100G,  Location: 12-ORA-405-23.30-LALM (Lat: 33.774608,  Lng: -118.086747),  Route carried "under" structure: Interstate 405,  Year Built: 2012,  Structure Length: 0. m,  Average Daily Traffic: 255,000 (year 2013),  Truck Traffic: 3%,  Features Intersected: INTERSTATE 405
Minimum Vertical Clearance: 6.50m (21.33ft),  Kilometerpoint: 23.320,  Lanes on structure: 2,  Lanes under structure: 14,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 81.5m (267.4ft)

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