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Bridge Statistics for Lydia, Louisiana (LA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 52ft / 15.5mTotal length
  • $560,000Total costs
  • 13,485Total average daily traffic
  • 1,233Total average daily truck traffic
  • 7,804Total future (year 2024) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Lydia
  • No street view available for this location

New bridges in Lydia, LA - historical statistics
  • New bridges - historical statistics
  • 11940-1949
  • 31950-1959
  • 41970-1979
  • 11980-1989
  • 11990-1999
  • 12010-2019
Average Bridge Daily Traffic in Lydia, LA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 50.0%Good
  • 50.0%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 37.5%Good
  • 62.5%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 37.5%Good
  • 12.5%Satisfactory
  • 12.5%Fair
  • 37.5%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 45.5%Very good
  • 45.5%Good
  • 9.1%Satisfactory
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 33.3%Good
  • 66.7%Satisfactory
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Structure Number: 32300000030496,  Location: 2.0 MI. E. OF LA 83 (Lat: 29.895581,  Lng: -91.756689),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 16 (year 2020),  Average Future Daily Traffic: 190 (year 2024),  Design Load: Greater than HL93,  Features Intersected: WEEKS CANAL,  Facility Carried by Structure: JOHN LEWIS RD.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.669,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.2m (20.3ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 50.2 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: 38.6 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: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: October 2020,  Underwater Inspection Date: July 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 32302360105161,  Location: 2.2 MI NORTH OF LA 85 (Lat: 29.924661,  Lng: -91.820100),  Route carried "on" structure: State highway 83,  Year Built: 1955,  Status: Open,  Structure Length: 1.59m (5.22ft),  Average Daily Traffic: 4,300 (year 2016),  Truck Traffic: 9%,  Average Future Daily Traffic: 2,460 (year 2036),  Design Load: H 15,  Features Intersected: PEEBLES B DUBOIN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.277,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 2.4m (7.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 16.2m (53.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 42.1 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: 32.4 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: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: May 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 32302360106211,  Location: 1.1 MI NORTH OF LA 85 (Lat: 29.922650,  Lng: -91.803300),  Route carried "on" structure: State highway 83,  Year Built: 1955,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 4,300 (year 2016),  Truck Traffic: 9%,  Average Future Daily Traffic: 2,460 (year 2036),  Design Load: H 15,  Features Intersected: JACK COULEE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.971,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 42.1 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: 32.4 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: Equal to 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 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: May 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 32302360202041,  Location: 2.0 MI EAST OF LA 83 (Lat: 29.913689,  Lng: -91.750731),  Route carried "on" structure: State highway 85,  Year Built: 1945,  Status: Posted for load,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 737 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 810 (year 2040),  Design Load: H 10,  Features Intersected: PATOUT CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.261,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Very good,  Operating Rating: 22.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 15.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 1.89m (6.20ft),  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: Febuary 2021,  Other Special Inspection Date: Febuary 2022,  Bridge Improvement Cost: $161,000,  Total Project Cost: $241,000 ( Estimate for 2016),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 32302400305941,  Location: 8.18 MI NORTH OF LA 319 (Lat: 29.886931,  Lng: -91.784300),  Route carried "on" structure: State highway 83,  Year Built: 1951,  Status: Open,  Structure Length: 1.80m (5.91ft),  Average Daily Traffic: 2,800 (year 2016),  Truck Traffic: 13%,  Average Future Daily Traffic: 1,680 (year 2036),  Design Load: H 15,  Features Intersected: BAYOU BLUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.473,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 37.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 28.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: November 2020,  Underwater Inspection Date: June 2018,  Bridge Improvement Cost: $213,000,  Total Project Cost: $319,000 ( Estimate for 2016),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 32329543914901,  Location: 1.4 Mi. S. of La 83 (Lat: 29.904939,  Lng: -91.817361),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Posted for load,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 21 (year 2020),  Average Future Daily Traffic: 30 (year 2036),  Design Load: HS 20,  Features Intersected: Coulee,  Facility Carried by Structure: Gall Rd.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 20.4 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: 15.9 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 32329544914681,  Location: 0.3 Mi. E. of La 83 (Lat: 29.906300,  Lng: -91.778611),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 422 (year 2020),  Average Future Daily Traffic: 54 (year 2036),  Design Load: HS 20,  Features Intersected: Little Valley Bayou,  Facility Carried by Structure: John Lewis Rd
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Poor,  Channel: 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: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: October 2020,  Other Special Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 32329560914751,  Location: 1.1 Mi. South of US 90 (Lat: 29.933650,  Lng: -91.790239),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 565 (year 2020),  Average Future Daily Traffic: 66 (year 2036),  Design Load: HS 20,  Features Intersected: Bodin Coulee,  Facility Carried by Structure: S. Nico Town Rd
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 42.1 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: 32.4 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: 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,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 32329562914901,  Location: 0.2 Mi. E. of La 83 (Lat: 29.938150,  Lng: -91.817319),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Posted for load,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 180 (year 2020),  Average Future Daily Traffic: 18 (year 2036),  Design Load: HS 20,  Features Intersected: Peebles Coulee,  Facility Carried by Structure: Coulee Rd.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Good,  Operating Rating: 19.8 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: 15.2 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: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: October 2020,  Other Special Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 32329563914811,  Location: 1.3 Mi. E. of La 83 (Lat: 29.940031,  Lng: -91.802311),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 66 (year 2020),  Average Future Daily Traffic: 18 (year 2036),  Design Load: HS 20,  Features Intersected: Jacks Coulee,  Facility Carried by Structure: Coulee Rd
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 47.6 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: 36.6 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 32329564914871,  Location: 0.7 Mi. E. of La 83 (Lat: 29.941550,  Lng: -91.812111),  Route carried "on" structure: County highway ,  Year Built: 1972,  Year Reconstructed: 2017,  Status: Posted for load,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 78 (year 2020),  Average Future Daily Traffic: 18 (year 2036),  Design Load: HS 20,  Features Intersected: Peebles Coulee,  Facility Carried by Structure: Coulee Rd.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 18.8 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: 14.6 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  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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