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Bridge Statistics for South Gate, California (CA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 15Number of bridges
  • 292ft / 88.6mTotal length
  • 1,465,945Total average daily traffic
  • 140,977Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for South Gate
  • No street view available for this location

New bridges in South Gate, CA - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 11930-1939
  • 101950-1959
  • 11970-1979
  • 21980-1989
Reconstructed bridges in South Gate, CA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11960-1969
  • 11970-1979
Average Bridge Daily Traffic in South Gate, CA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 70.0%Good
  • 20.0%Fair
  • 10.0%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 80.0%Good
  • 10.0%Satisfactory
  • 10.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 90.0%Good
  • 10.0%Fair
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Structure Number: 53 0828,  Location: 07-LA-710-17.34-SGT (Lat: 33.935025,  Lng: -118.176014),  Route carried "on" structure: Interstate 710,  Year Built: 1955,  Year Reconstructed: 1965,  Status: Open,  Structure Length: 17.50m (57.41ft),  Average Daily Traffic: 220,000 (year 2017),  Truck Traffic: 14%,  Average Future Daily Traffic: 234,092 (year 2037),  Design Load: HS 20,  Features Intersected: LOS ANGELES RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.340,  Lanes on structure: 8,  Base Highway Network: Yes (Inventory Route: 7,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 34.7m (113.8ft),  Skew: 34 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 45.7m (149.9ft),  Curb-To-Curb Width: 34.7m (113.8ft),  Out-to-Out Width: 36.6m (120.1ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 70.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.1 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: May 2020,  Critical Feature Inspection Date: December 2021,  Other Special Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53 0829,  Location: 07-LA-710-17.58-SGT (Lat: 33.937378,  Lng: -118.172831),  Route carried "on" structure: Interstate 710,  Year Built: 1957,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 223,000 (year 2017),  Truck Traffic: 14%,  Average Future Daily Traffic: 234,092 (year 2037),  Design Load: HS 20,  Features Intersected: UP RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.580,  Lanes on structure: 8,  Base Highway Network: Yes (Inventory Route: 7,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 39.0m (128.0ft),  Skew: 5 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 39.0m (128.0ft),  Out-to-Out Width: 55.5m (182.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 99.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 99.8 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: Meets minimum limits,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020
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Structure Number: 53 0831,  Location: 07-LA-710-18.44-SGT (Lat: 33.949672,  Lng: -118.170808),  Route carried "on" structure: City street ,  Year Built: 1957,  Status: Open,  Structure Length: 6.98m (22.90ft),  Average Daily Traffic: 43,030 (year 2011),  Truck Traffic: 6%,  Average Future Daily Traffic: 56,000 (year 2037),  Design Load: HS 20,  Features Intersected: INTERSTATE 710,  Facility Carried by Structure: FIRESTONE BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 6,  Lanes under structure: 10,  Base Highway Network: Yes,  Owner: State Highway Agency,  Maintenance Responsibility: City or Municipal Highway Agency,  Approaching Roadway Width: 25.6m (84.0ft),  Skew: 21 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.0m (68.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 25.6m (84.0ft),  Out-to-Out Width: 29.3m (96.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 24.9 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: 19.4 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: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53 2425,  Location: 07-LA-105-R14.65-SGT (Lat: 33.911533,  Lng: -118.159967),  Route carried "on" structure: Business City street ,  Year Built: 1989,  Status: Open,  Structure Length: 9.05m (29.69ft),  Average Daily Traffic: 30,775 (year 2016),  Truck Traffic: 1%,  Average Future Daily Traffic: 35,000 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: ROUTE 105, LRT,  Facility Carried by Structure: PARAMOUNT BLVD OC
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.650,  Lanes on structure: 6,  Lanes under structure: 10,  Owner: State Highway Agency,  Approaching Roadway Width: 23.2m (76.1ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 45.4m (149.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 23.2m (76.1ft),  Out-to-Out Width: 26.8m (87.9ft)

Condition: Deck: Good,  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: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53C0161,  Location: 0.1 W/O ST GEORGE ST (Lat: 34.105419,  Lng: -118.279981),  Route carried "on" structure: City street ,  Year Built: 1925,  Status: Open,  Structure Length: 7.96m (26.12ft),  Average Daily Traffic: 23,800 (year 2016),  Truck Traffic: 1%,  Average Future Daily Traffic: 26,524 (year 2038),  Design Load: HS 20,  Features Intersected: GARDEN,  Facility Carried by Structure: FRANKLIN AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete continuous,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 4,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Fair,  Superstructure: Good,  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: Better than present minimum criteria,  Deck Geometry: High priority of replacement,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53C0166,  Location: 300FT E/O GARFIELD AVE (Lat: 33.944306,  Lng: -118.165364),  Route carried "on" structure: City street L146,  Year Built: 1951,  Year Reconstructed: 1978,  Status: Open,  Structure Length: 7.01m (23.00ft),  Average Daily Traffic: 15,141 (year 2014),  Truck Traffic: 1%,  Average Future Daily Traffic: 18,169 (year 2042),  Design Load: HS 20,  Features Intersected: RIO HONDO,  Facility Carried by Structure: SOUTHERN AVE
Minimum Vertical Clearance: 30.47m (99.97ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 19.5m (64.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.9m (85.0ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 19.4m (63.6ft),  Out-to-Out Width: 23.1m (75.8ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 62.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  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 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Other Special Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53C0649,  Location: 0.5 I S/O FIRESTONE BLVD (Lat: 33.940108,  Lng: -118.167997),  Route carried "on" structure: City street L064,  Year Built: 1957,  Status: Open,  Structure Length: 8.90m (29.20ft),  Average Daily Traffic: 16,432 (year 2014),  Truck Traffic: 3%,  Average Future Daily Traffic: 19,718 (year 2042),  Design Load: HS 20,  Features Intersected: RIO HONDO,  Facility Carried by Structure: GARFIELD AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 9 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.6m (70.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 15.9m (52.2ft),  Out-to-Out Width: 19.3m (63.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 98.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 59.3 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: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53C0844,  Location: 0.3MI E/O I-710 FWY (Lat: 33.930381,  Lng: -118.175189),  Route carried "on" structure: City street L100,  Year Built: 1974,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 54,184 (year 2012),  Truck Traffic: 4%,  Average Future Daily Traffic: 66,332 (year 2041),  Design Load: HS 20,  Features Intersected: FC ACCESS RD UC,  Facility Carried by Structure: IMPERIAL HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 6,  Owner: County Highway Agency,  Approaching Roadway Width: 22.5m (73.8ft),  Skew: 20 degrees,  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.2m (20.3ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 24.1m (79.1ft),  Out-to-Out Width: 35.5m (116.5ft)

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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 53C1972,  Location: 500FT W/O I-710 FWY (Lat: 33.950153,  Lng: -118.173900),  Route carried "on" structure: City street L164,  Year Built: 1950,  Status: Open,  Structure Length: 14.42m (47.31ft),  Average Daily Traffic: 77,480 (year 2014),  Truck Traffic: 6%,  Average Future Daily Traffic: 92,976 (year 2042),  Design Load: HS 20,  Features Intersected: LOS ANGELES RIV,  Facility Carried by Structure: FIRESTONE BLVD
Minimum Vertical Clearance: 30.47m (99.97ft),  Kilometerpoint: 0.000,  Lanes on structure: 6,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 25.3m (83.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 40.2m (131.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 30.9m (101.4ft),  Out-to-Out Width: 34.6m (113.5ft)

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: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53C1973,  Location: 0.5MI E/O I-710 FWY (Lat: 33.948750,  Lng: -118.162422),  Route carried "on" structure: City street L164,  Year Built: 1933,  Status: Open,  Structure Length: 14.69m (48.20ft),  Average Daily Traffic: 47,632 (year 2012),  Truck Traffic: 6%,  Average Future Daily Traffic: 57,158 (year 2038),  Features Intersected: RIO HONDO,  Facility Carried by Structure: FIRESTONE BLVD
Minimum Vertical Clearance: 30.47m (99.97ft),  Kilometerpoint: 0.000,  Lanes on structure: 6,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 22.5m (73.8ft),  Skew: 21 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 12,  Length of Maximum Span: 12.2m (40.0ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 22.5m (73.8ft),  Out-to-Out Width: 29.9m (98.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 69.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 53 0831,  Location: 07-LA-710-18.44-SGT (Lat: 33.949672,  Lng: -118.170808),  Route carried "under" structure: Ramp State highway 710,  Year Built: 1957,  Structure Length: 0. m,  Average Daily Traffic: 21,070 (year 2015),  Truck Traffic: 12%,  Features Intersected: INTERSTATE 710,  Facility Carried by Structure: FIRESTONE BLVD
Minimum Vertical Clearance: 4.47m (14.67ft),  Kilometerpoint: 18.440,  Lanes on structure: 6,  Lanes under structure: 1,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Length of Maximum Span: 21.0m (68.9ft)

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Structure Number: 53 0831,  Location: 07-LA-710-18.44-SGT (Lat: 33.949672,  Lng: -118.170808),  Route carried "under" structure: Interstate 710,  Year Built: 1957,  Structure Length: 0. m,  Average Daily Traffic: 234,000 (year 2017),  Truck Traffic: 9%,  Features Intersected: INTERSTATE 710,  Facility Carried by Structure: FIRESTONE BLVD
Minimum Vertical Clearance: 5.02m (16.47ft),  Kilometerpoint: 18.440,  Lanes on structure: 6,  Lanes under structure: 8,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Length of Maximum Span: 21.0m (68.9ft)

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Structure Number: 53 0831,  Location: 07-LA-710-18.44-SGT (Lat: 33.949672,  Lng: -118.170808),  Route carried "under" structure: Ramp State highway 710,  Year Built: 1957,  Structure Length: 0. m,  Average Daily Traffic: 19,401 (year 2013),  Truck Traffic: 12%,  Features Intersected: INTERSTATE 710,  Facility Carried by Structure: FIRESTONE BLVD
Minimum Vertical Clearance: 5.02m (16.47ft),  Kilometerpoint: 18.440,  Lanes on structure: 6,  Lanes under structure: 1,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Length of Maximum Span: 21.0m (68.9ft)

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Structure Number: 53 0832,  Location: 07-LA-710-18.74-SGT (Lat: 33.954064,  Lng: -118.170919),  Route carried "under" structure: Interstate 710,  Year Built: 1957,  Structure Length: 0. m,  Average Daily Traffic: 220,000 (year 2009),  Truck Traffic: 9%,  Features Intersected: INTERSTATE 710,  Facility Carried by Structure: UP RR
Minimum Vertical Clearance: 4.75m (15.58ft),  Kilometerpoint: 18.740,  Lanes under structure: 8,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: 53 2425,  Location: 07-LA-105-R14.65-SGT (Lat: 33.911533,  Lng: -118.159967),  Route carried "under" structure: Interstate 105,  Year Built: 1989,  Structure Length: 0. m,  Average Daily Traffic: 220,000 (year 2016),  Truck Traffic: 9%,  Features Intersected: ROUTE 105, LRT,  Facility Carried by Structure: PARAMOUNT BLVD OC
Minimum Vertical Clearance: 5.11m (16.77ft),  Kilometerpoint: 14.650,  Lanes on structure: 6,  Lanes under structure: 10,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 45.4m (149.0ft)

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