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


  • National Bridge Inventory (NBI) Statistics
  • 10Number of bridges
  • 52ft / 16.1mTotal length
  • $643,000Total costs
  • 4,875Total average daily traffic
  • 492Total average daily truck traffic
  • 3,027Total future (year 2036) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Forest
  • No street view available for this location

New bridges in Forest, LA - historical statistics
  • New bridges - historical statistics
  • 11950-1959
  • 11960-1969
  • 51980-1989
  • 11990-1999
  • 22010-2019
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 50.0%Good
  • 16.7%Satisfactory
  • 33.3%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 50.0%Good
  • 16.7%Satisfactory
  • 33.3%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 50.0%Good
  • 16.7%Fair
  • 33.3%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 10.0%Good
  • 80.0%Satisfactory
  • 10.0%Serious
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 25.0%Good
  • 75.0%Satisfactory
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Structure Number: 56200000050281,  Location: 2.0 MI NE OF LA 589 (Lat: 32.809469,  Lng: -91.395519),  Route carried "on" structure: County highway ,  Year Built: 2016,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 384 (year 2019),  Average Future Daily Traffic: 450 (year 2037),  Design Load: Greater than HL93,  Features Intersected: LYON BAYOU,  Facility Carried by Structure: Odis Wade Rd
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 2.1m (6.9ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 16.5m (54.1ft)

Condition: Channel: Serious,  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,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
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Structure Number: 56200000400191,  Location: .25 MILES EAST OF LA 589 (Lat: 32.809639,  Lng: -91.369069),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 16 (year 2019),  Average Future Daily Traffic: 30 (year 2036),  Design Load: HS 20,  Features Intersected: LYON BAYOU,  Facility Carried by Structure: Lingo Lp
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Skew: 30 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 44.7 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: 34.3 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: 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 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 56203320100261,  Location: .26 MI WEST OF LA 2 (Lat: 32.827531,  Lng: -91.462900),  Route carried "on" structure: State highway 878,  Year Built: 1980,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 370 (year 2016),  Truck Traffic: 19%,  Average Future Daily Traffic: 264 (year 2036),  Design Load: HS 20,  Features Intersected: LITTLE COLEWA BAYOU
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.412,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  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: 9.8m (32.2ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 65.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.0 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 56203330200401,  Location: 0.4 MI E of LA 17 (Lat: 32.783639,  Lng: -91.408100),  Route carried "on" structure: State highway 582,  Year Built: 1983,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 700 (year 2016),  Truck Traffic: 19%,  Average Future Daily Traffic: 576 (year 2036),  Design Load: HS 20,  Features Intersected: LYON BAYOU
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.639,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 56203330202601,  Location: 2.6 MI E of LA 17 (Lat: 32.773000,  Lng: -91.374400),  Route carried "on" structure: State highway 582,  Year Built: 1983,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 700 (year 2016),  Truck Traffic: 19%,  Average Future Daily Traffic: 576 (year 2036),  Design Load: HS 20,  Features Intersected: MILL BAYOU
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.139,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 66.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.0 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 56208620601521,  Location: 1.52 MI E of LA 582 (Lat: 32.798481,  Lng: -91.466900),  Route carried "on" structure: State highway 589,  Year Built: 1981,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 330 (year 2016),  Truck Traffic: 15%,  Average Future Daily Traffic: 240 (year 2036),  Design Load: HS 20,  Features Intersected: INDIAN LAKE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.408,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 81.3 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: 62.9 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: 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: Febuary 2021
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Structure Number: 56208620701971,  Location: 1.97 MI W of LA 17 (Lat: 32.801889,  Lng: -91.437700),  Route carried "on" structure: State highway 589,  Year Built: 1981,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 330 (year 2016),  Truck Traffic: 15%,  Average Future Daily Traffic: 240 (year 2036),  Design Load: HS 20,  Features Intersected: DEER LAKE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.133,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 2.1m (6.9ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 97.2 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: 74.5 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: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
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Structure Number: 56208621400641,  Location: .6 MI EAST OF LA 17 (Lat: 32.791869,  Lng: -91.403200),  Route carried "on" structure: State highway 589,  Year Built: 1957,  Status: Posted for load,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 390 (year 2016),  Truck Traffic: 15%,  Average Future Daily Traffic: 429 (year 2036),  Design Load: H 15,  Features Intersected: ALLIGATOR BAYOU
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.024,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  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: 8.3m (27.2ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 14.9 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: 11.7 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: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 2.44m (8.01ft),  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 6 months,  Inspection Date: January 2021,  Other Special Inspection Date: January 2022,  Bridge Improvement Cost: $208,000,  Total Project Cost: $312,000 ( Estimate for 2016),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 56232489912301,  Location: 1.0 MI W of LA 589 (Lat: 32.814000,  Lng: -91.383019),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 951 (year 2019),  Average Future Daily Traffic: 90 (year 2036),  Design Load: HS 20,  Features Intersected: LYON BAYOU,  Facility Carried by Structure: Skinner Ln
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.7m (8.9ft),  Curb-To-Curb Width: 4.6m (15.1ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 52.5 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: 40.5 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: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.25m (4.10ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $74,000,  Total Project Cost: $111,000 ( Estimate for 2016)
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Structure Number: 56232492912821,  Location: .2 MI. W. HWY. 2 (Lat: 32.820389,  Lng: -91.469761),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Posted for load,  Structure Length: 1.77m (5.81ft),  Average Daily Traffic: 704 (year 2019),  Average Future Daily Traffic: 132 (year 2036),  Design Load: H 20,  Features Intersected: LITTLE COLEWA BAYOU,  Facility Carried by Structure: Roundhill Rd
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  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: 6.9m (22.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 24.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.0 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,  Length Of Structure Improvement: 2.47m (8.10ft),  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: January 2021,  Other Special Inspection Date: January 2022,  Bridge Improvement Cost: $147,000,  Total Project Cost: $220,000 ( Estimate for 2016),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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