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

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Structure Number: 37 023,  Location: 04-SCL-085-R18.35-SUNV (Lat: 37.331300,  Lng: -122.054356),  Route carried "on" structure: State highway 85,  Year Built: 1971,  Status: Open,  Structure Length: 3.61m (11.84ft),  Average Daily Traffic: 121,000 (year 2009),  Truck Traffic: 1%,  Average Future Daily Traffic: 168,991 (year 2037),  Design Load: HS 20+Mod,  Features Intersected: S85-S280 CONNECTOR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.350,  Lanes on structure: 6,  Lanes under structure: 3,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 34.7m (113.8ft),  Skew: 33 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 34.7m (113.8ft),  Curb-To-Curb Width: 34.1m (111.9ft),  Out-to-Out Width: 35.8m (117.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 79.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 37 0234,  Location: 04-SCL-280-12.93 (Lat: 37.341803,  Lng: -122.091211),  Route carried "on" structure: Interstate 280,  Year Built: 1967,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 117,000 (year 2009),  Truck Traffic: 2%,  Average Future Daily Traffic: 163,013 (year 2044),  Features Intersected: PERMANENTE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.930,  Lanes on structure: 8,  Base Highway Network: Yes (Inventory Route: 2,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 47.0m (154.2ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2022

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Structure Number: 37 0236L,  Location: 04-SCL-280-12.79 (Lat: 37.340639,  Lng: -122.089497),  Route carried "on" structure: Interstate 280,  Year Built: 1967,  Status: Open,  Structure Length: 2.70m (8.86ft),  Average Daily Traffic: 58,500 (year 2009),  Truck Traffic: 2%,  Average Future Daily Traffic: 81,506 (year 2044),  Design Load: HS 20,  Features Intersected: ST JOSEPH AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.790,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 2,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 21.0m (68.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 26.4m (86.6ft),  Curb-To-Curb Width: 20.1m (65.9ft),  Out-to-Out Width: 21.2m (69.6ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 99.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to 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 48 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 37 0236R,  Location: 04-SCL-280-12.79 (Lat: 37.340872,  Lng: -122.089414),  Route carried "on" structure: Interstate 280,  Year Built: 1967,  Status: Open,  Structure Length: 2.58m (8.46ft),  Average Daily Traffic: 58,500 (year 2009),  Truck Traffic: 2%,  Average Future Daily Traffic: 81,506 (year 2044),  Design Load: HS 20,  Features Intersected: ST JOSEPH AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.790,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 2,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 21.0m (68.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 25.2m (82.7ft),  Curb-To-Curb Width: 20.1m (65.9ft),  Out-to-Out Width: 21.2m (69.6ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 99.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 37 0239,  Location: 04-SCL-280-11.45-LATS (Lat: 37.334639,  Lng: -122.068056),  Route carried "on" structure: Interstate 280,  Year Built: 1967,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 5.17m (16.96ft),  Average Daily Traffic: 138,000 (year 2009),  Truck Traffic: 3%,  Average Future Daily Traffic: 193,551 (year 2044),  Design Load: HS 20+Mod,  Features Intersected: FOOTHILL EXPRESSWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.450,  Lanes on structure: 10,  Lanes under structure: 4,  Base Highway Network: Yes (Inventory Route: 2,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 58.5m (191.9ft),  Skew: 31 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 25.8m (84.6ft),  Curb-To-Curb Width: 57.8m (189.6ft),  Out-to-Out Width: 59.5m (195.2ft)

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: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 37 0242K,  Location: 04-SCL-280-11.48-LATS (Lat: 37.333394,  Lng: -122.069669),  Route carried "on" structure: Ramp Interstate 280,  Year Built: 1967,  Status: Open,  Structure Length: 6.22m (20.41ft),  Average Daily Traffic: 5,500 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 8,871 (year 2042),  Design Load: HS 20,  Features Intersected: UP RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.480,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.0m (32.8ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.6m (84.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Fair,  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: 27.5 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: Equal to present minimum criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 37C0018,  Location: 0.2 MI W/O SR 85 (Lat: 37.352053,  Lng: -122.063344),  Route carried "on" structure: City street ,  Year Built: 1911,  Year Reconstructed: 1954,  Status: Open,  Structure Length: 4.56m (14.96ft),  Average Daily Traffic: 14,369 (year 2017),  Truck Traffic: 4%,  Average Future Daily Traffic: 24,000 (year 2040),  Features Intersected: STEVENS CREEK (FREMONT),  Facility Carried by Structure: FREMONT AVE
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: 14.7m (48.2ft),  Skew: 24 degrees,  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.3m (69.9ft),  Curb or Sidewalk Widths: Left: 2.5m (8.2ft),  Right: 1.3m (4.3ft),  Curb-To-Curb Width: 14.7m (48.2ft),  Out-to-Out Width: 17.6m (57.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 26.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 15.6 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: High priority of corrective action,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 37C0045,  Location: NEAR FOOTHILL BLVD (Lat: 37.331936,  Lng: -122.071844),  Route carried "on" structure: City street ,  Year Built: 1966,  Status: Open,  Structure Length: 4.54m (14.90ft),  Average Daily Traffic: 500 (year 2014),  Truck Traffic: 1%,  Average Future Daily Traffic: 875 (year 2040),  Design Load: H 20,  Features Intersected: UP RR BRANCH,  Facility Carried by Structure: CRISTO REY DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.9m (35.8ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 34.0 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: 24.3 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: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 37C0064,  Location: 0.05 MILES SOUTH OF I-280 (Lat: 37.333561,  Lng: -122.068467),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 0.72m (2.36ft),  Average Daily Traffic: 25,190 (year 2012),  Truck Traffic: 15%,  Average Future Daily Traffic: 30,707 (year 2038),  Design Load: HS 20,  Features Intersected: UP RR,  Facility Carried by Structure: FOOTHILL BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: County Highway Agency,  Approaching Roadway Width: 31.7m (104.0ft),  Skew: 21 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 26.3m (86.3ft),  Out-to-Out Width: 31.6m (103.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 65.1 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: 50.2 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: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 37C0117,  Location: AT FREMONT AVENUE (Lat: 37.352600,  Lng: -122.087639),  Route carried "on" structure: City street ,  Year Built: 1967,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 2.30m (7.55ft),  Average Daily Traffic: 6,470 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 7,957 (year 2039),  Features Intersected: FOOTHILL EXPRESSWAY,  Facility Carried by Structure: A STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 4,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 10.7m (35.1ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 18.9m (62.0ft),  Out-to-Out Width: 23.5m (77.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: 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: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 37C0358,  Location: E MIRAMONTE AVE (Lat: 37.359644,  Lng: -122.087192),  Route carried "on" structure: City street ,  Year Built: 1920,  Year Reconstructed: 1960,  Status: Open,  Structure Length: 1.02m (3.35ft),  Average Daily Traffic: 4,000 (year 2014),  Truck Traffic: 5%,  Average Future Daily Traffic: 4,400 (year 2040),  Features Intersected: PERMANENTE CREEK,  Facility Carried by Structure: PORTLAND AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 9 degrees,  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.8m (32.2ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 0.0m,  Curb-To-Curb Width: 13.6m (44.6ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 24.6 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 14.6 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 37C0422,  Location: JUST WEST OF MIRAMONTE (Lat: 37.352381,  Lng: -122.085903),  Route carried "on" structure: City street ,  Year Built: 2016,  Status: Open,  Structure Length: 2.68m (8.79ft),  Average Daily Traffic: 14,369 (year 2017),  Truck Traffic: 4%,  Average Future Daily Traffic: 24,000 (year 2040),  Design Load: HL 93,  Features Intersected: PERMANENTE CREEK,  Facility Carried by Structure: FREMONT AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 26.8m (87.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very 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: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 37 0239,  Location: 04-SCL-280-11.45-LATS (Lat: 37.334639,  Lng: -122.068056),  Route carried "under" structure: City street C015,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 43,500 (year 2001),  Truck Traffic: 3%,  Features Intersected: FOOTHILL EXPRESSWAY,  Facility Carried by Structure: INTERSTATE 280
Minimum Vertical Clearance: 4.62m (15.16ft),  Kilometerpoint: 0.000,  Lanes on structure: 10,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 25.8m (84.6ft)