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


  • National Bridge Inventory (NBI) Statistics
  • 12Number of bridges
  • 174ft / 52.5mTotal length
  • 36,147Total average daily traffic
  • 9,799Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Natchez
  • No street view available for this location

New bridges in Natchez, LA - historical statistics
  • New bridges - historical statistics
  • 11930-1939
  • 11960-1969
  • 51980-1989
  • 12000-2009
Average Bridge Daily Traffic in Natchez, LA
Average Bridge Truck Traffic in Natchez, LA
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 50.0%Very good
  • 50.0%Good
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 33.3%Very good
  • 66.7%Good
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 83.3%Good
  • 16.7%Satisfactory
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Structure Number: 83500420710551,  Location: .4 MI. E OF INT I-49 (Lat: 31.610361,  Lng: -93.042400),  Route carried "on" structure: State highway 120,  Year Built: 1985,  Status: Open,  Structure Length: 9.75m (31.99ft),  Average Daily Traffic: 47 (year 2016),  Truck Traffic: 14%,  Average Future Daily Traffic: 39 (year 2036),  Design Load: HS 20,  Features Intersected: OLD RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.795,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 34 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 16,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 67.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.9 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 83500530409301,  Location: 1.2 MI. N OF N INT LA119 (Lat: 31.693739,  Lng: -93.049000),  Route carried "on" structure: State highway 1,  Year Built: 1936,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 5,300 (year 2016),  Truck Traffic: 14%,  Average Future Daily Traffic: 3,744 (year 2036),  Design Load: H 15,  Features Intersected: DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.886,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 30 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 1.5m (4.9ft)

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,  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
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Structure Number: 83503600501521,  Location: 1.52 MI. E OF INT LA1 (Lat: 31.635139,  Lng: -93.023789),  Route carried "on" structure: State highway 494,  Year Built: 1963,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 580 (year 2016),  Truck Traffic: 14%,  Average Future Daily Traffic: 446 (year 2036),  Design Load: H 15,  Features Intersected: CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.446,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Skew: 30 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 1.2m (3.9ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 29.5 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: 22.7 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to 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
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Structure Number: 83504550618841,  Location: I-49 / LA 120 INTG. (Lat: 31.608961,  Lng: -93.049200),  Route carried "on" structure: Interstate 49,  Year Built: 1988,  Status: Open,  Structure Length: 8.72m (28.61ft),  Average Daily Traffic: 7,450 (year 2016),  Truck Traffic: 30%,  Average Future Daily Traffic: 6,307 (year 2036),  Design Load: HS 20,  Features Intersected: LA 120
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.391,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes (Inventory Route: 455-06-1,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 36 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 26.5m (86.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 70.7 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: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  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,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 83504550618842,  Location: I-49 / LA 120 INTG. (Lat: 31.609531,  Lng: -93.050100),  Route carried "on" structure: Interstate 49,  Year Built: 1988,  Status: Open,  Structure Length: 8.72m (28.61ft),  Average Daily Traffic: 7,450 (year 2016),  Truck Traffic: 30%,  Average Future Daily Traffic: 6,307 (year 2036),  Design Load: HS 20,  Features Intersected: LA 120
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 51.124,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes (Inventory Route: 455-06-2,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 36 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 26.5m (86.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 70.7 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: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  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,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 83504550620161,  Location: 1.13 MI. NORTH OF LA 120 (Lat: 31.623911,  Lng: -93.063300),  Route carried "on" structure: Interstate 49,  Year Built: 1988,  Status: Open,  Structure Length: 10.21m (33.50ft),  Average Daily Traffic: 7,500 (year 2016),  Truck Traffic: 30%,  Average Future Daily Traffic: 6,264 (year 2036),  Design Load: HS 20,  Features Intersected: B.JULIAN/LONGLOIS HILL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.518,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 455-06-1,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 34 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 20.4m (66.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 63.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  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,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 83504550620162,  Location: 1.13 MI. NORTH OF LA 120 (Lat: 31.624661,  Lng: -93.064300),  Route carried "on" structure: Interstate 49,  Year Built: 1988,  Status: Open,  Structure Length: 10.21m (33.50ft),  Average Daily Traffic: 7,500 (year 2016),  Truck Traffic: 30%,  Average Future Daily Traffic: 6,264 (year 2036),  Design Load: HS 20,  Features Intersected: BAYOU JULIAN/PH RD 715
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 48.971,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 455-06-2,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 34 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 20.4m (66.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 63.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: 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: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 83531394930411,  Location: 0.02 M W OF OLD RIVER ROA (Lat: 31.656089,  Lng: -93.067900),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 100 (year 1999),  Average Future Daily Traffic: 72 (year 2036),  Design Load: HS 20,  Features Intersected: OLD RIVER,  Facility Carried by Structure: Old River Rd
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Skew: 30 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 6,  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: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 33.7 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: 25.9 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,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum 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: 83504550618841,  Location: 1.1 MI W OF LA 1 (Lat: 31.609169,  Lng: -93.049469),  Route carried "under" structure: State highway 120,  Structure Length: 0. m,  Average Daily Traffic: 55 (year 2014),  Features Intersected: LA 120 EB UNDER I-49 SB
Minimum Vertical Clearance: 4.94m (16.21ft),  Kilometerpoint: 16.113,  Lanes on structure: 2,  Length of Maximum Span: 0.0m

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Structure Number: 83504550618841,  Location: 1.1 MI W OF LA 1 (Lat: 31.609361,  Lng: -93.049439),  Route carried "under" structure: State highway 120,  Structure Length: 0. m,  Average Daily Traffic: 55 (year 2014),  Features Intersected: LA 120 WB UNDER I-49 NB
Minimum Vertical Clearance: 5.12m (16.80ft),  Kilometerpoint: 1.719,  Lanes on structure: 2,  Length of Maximum Span: 0.0m

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Structure Number: 83504550618842,  Location: 1.1 MI W OF LA 1 (Lat: 31.609111,  Lng: -93.049800),  Route carried "under" structure: State highway 120,  Structure Length: 0. m,  Average Daily Traffic: 55 (year 2014),  Features Intersected: LA 120 EB UNDER I-49 SB
Minimum Vertical Clearance: 4.97m (16.31ft),  Kilometerpoint: 16.081,  Lanes on structure: 2,  Length of Maximum Span: 0.0m

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Structure Number: 83504550618842,  Location: 1.1 MI W OF LA 1 (Lat: 31.609281,  Lng: -93.049950),  Route carried "under" structure: State highway 120,  Structure Length: 0. m,  Average Daily Traffic: 55 (year 2014),  Features Intersected: LA 120 WB UNDER I-49 SB
Minimum Vertical Clearance: 4.97m (16.31ft),  Kilometerpoint: 1.769,  Lanes on structure: 2,  Length of Maximum Span: 0.0m

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