Natchitoches County, LA

313 public highway bridges

Natchitoches County Bridge Snapshot

Natchitoches County, Louisiana contains 313 public highway bridges in the FHWA National Bridge Inventory. Roughly 40.3% are rated “Good,” 38% “Fair,” 15.3% “Poor,” and 15.3% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in LA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

313
Total Bridges
40.3%
Good
15.3%
Poor
15.3%
Structurally Deficient

Condition Distribution

Good
40.3% (126)
Fair
38% (119)
Poor
15.3% (48)
SD
15.3% (48)

All Bridges (313)

LA0174

Unknown

Over: I-49

I-49 /LA 174 INTERCHANGE, Natchitoches, LA

ADT: 1,270

I0049

Unknown

Over: LA 490

I-49/LA 490 INTG., Natchitoches, LA

ADT: 160

I0049

Unknown

Over: LA 490

I-49/LA 490 INTG., Natchitoches, LA

ADT: 160

I0049

Unknown

Over: LA 119

I-49 / LA 119 INTG., Natchitoches, LA

ADT: 300

I0049

Unknown

Over: LA119

I-49 / LA 119 INTG., Natchitoches, LA

ADT: 300

I0049

Unknown

Over: LA 493

INT. I-49 NORTH & LA 493, Natchitoches, LA

ADT: 270

I0049

Unknown

Over: LA 493

INT. I-49 SOUTH & LA 493, Natchitoches, LA

ADT: 270

I0049

Unknown

Over: LA 120

I-49 / LA 120 INTG., Natchitoches, LA

ADT: 55

I0049

Unknown

Over: LA 120

I-49 / LA 120 INTG., Natchitoches, LA

ADT: 55

I0049

Unknown

Over: I-49 OVER LA 478

I-49 OVER LA478, Natchitoches, LA

ADT: 130

I0049

Unknown

Over: I-49 OVER LA 478

I-49 OVER LA478, Natchitoches, LA

ADT: 130

I0049

Unknown

Over: LA 6

I-49 / LA 6 INTG., Natchitoches, LA

ADT: 9,400

I0049

Unknown

Over: LA 6

I-49/LA 6 INTG., Natchitoches, LA

ADT: 9,400

EIGHT MILE LP

Unknown

Over: I-49

0.87 MI. NORTH OF LA 6, Natchitoches, LA

ADT: 15,100

EIGHT MILE LP

Unknown

Over: I-49

1.9 MI N OF LA 6, Natchitoches, LA

ADT: 15,100

POSEY RD

Unknown

Over: I-49

4.42 MI. NORTH OF LA 6, Natchitoches, LA

ADT: 1,530

I0049

Unknown

Over: LA 485

I-49 / LA 485 INTG., Natchitoches, LA

ADT: 9,360

I0049

Unknown

Over: LA 485

I-49/LA 485 INTG., Natchitoches, LA

ADT: 9,360

Nuel Williams Rd

Unknown

Over: I-49

1.68 MI. NORTH OF LA 174, Natchitoches, LA

ADT: 1,650

Nuel Williams Rd

Unknown

Over: I-49

2.81 MI. NORTH OF LA 174, Natchitoches, LA

ADT: 1,650

SPEARS VILLAGE RD

Fair

Over: DRAINAGE STAGESTAND CR

PEASON RIDGE TRAIN AREA, Natchitoches, LA

Built 2005 ADT: 40

Vowells Mill Rd

Fair

Over: HORSEPEN CREEK

1.8 MILES WEST OF LA 117, Natchitoches, LA

Built 1990 Load: 10.0 t ADT: 42

FDR 605

Fair

Over: DRY CHOCTAW CR. TRIB.

1.5 MI. N/N.E. OF CHESTNT, Natchitoches, LA

Built 1970 Load: 14.9 t ADT: 30

Rice Rd

Fair

Over: LITTLE FORDOCHE CREEK

1.45 M. SW OF GOLDONNA RO, Natchitoches, LA

Built 1970 Load: 14.9 t ADT: 102

NO DATA ENTERED

Fair

Over: BAYOU L'IVROGNE

NATIONAL FOREST ROAD, Natchitoches, LA

Built 1975 Load: 17.2 t ADT: 30

FDR 360

Fair

Over: L'IVROGNE BRANCH

6.6 M. WSW. OF GORUM, Natchitoches, LA

Built 1978 Load: 17.5 t ADT: 30

FDR 304

Fair

Over: GIN BRANCH

NATIONAL FOREST ROAD, Natchitoches, LA

Built 1967 Load: 17.8 t ADT: 30

FDR 360

Fair

Over: BAYOU L'IVROGNE

6.5 M. WSW.OF GORUM,, Natchitoches, LA

Built 1978 Load: 17.8 t ADT: 30

FDR 360

Fair

Over: STEEP BRANCH

5.8 M. WNM. OF GORUM, Natchitoches, LA

Built 1975 Load: 17.8 t ADT: 30

FDR 585

Fair

Over: RAGAN CREEK

2 MI. N. OF GOLDONNA, Natchitoches, LA

Built 1970 Load: 18.1 t ADT: 30

Dick Anderson Rd

Fair

Over: BRUSHY BAYOU

1.0 MILE SOUTH OF LA 174, Natchitoches, LA

Built 1975 Load: 18.1 t ADT: 80

FH 59

Fair

Over: STEEP HILL CREEK

NO DATA ENTERED, Natchitoches, LA

Built 1967 Load: 18.5 t ADT: 80

FDR 524

Fair

Over: MALAUDOS CREEK

NATIONAL FOREST ROAD, Natchitoches, LA

Built 1968 Load: 19.1 t ADT: 10

FDR 570

Fair

Over: LUSTER BRANCH

NATIONAL FOREST ROAD, Natchitoches, LA

Built 1970 Load: 19.1 t ADT: 30

LA0156

Fair

Over: MOLINA CREEK

10.18 MI. E OF INT LA9, Natchitoches, LA

Built 1956 Load: 19.1 t ADT: 525

LA0117

Fair

Over: KISATCHIE CREEK

.6 MI N OF JCT LA 118, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: RELIEF SLOUGH

.92 MI N OF JCT LA 118, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: MIDDLE CREEK

6.71 MI N OF JCT 118, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: MIDDLE CREEK

7.14 MI N OF JCT 118, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: BAYOU SANTA BARB

2.06 MI. SOUTH OF LA 478, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: BAYOU SANTA BARB

1.94 MI. SOUTH OF LA 478, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: BAYOU SANTA BARB

1.89 MI. SOUTH OF LA 478, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: MCKIMS CREEK

0.74 MI. NORTH OF LA 478, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: HORSE PEN CREEK

3.03 MI. NORTH OF LA 478, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: FLAT SLOUGH

0.51 MI. SOUTH OF LA 120, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0117

Fair

Over: PROVENCAL BAYOU

0.39 MI. SOUTH OF LA 120, Natchitoches, LA

Built 1955 Load: 19.1 t ADT: 1,513

LA0494

Fair

Over: BAYOU POISSON

3.04 MI. N OF INT LA119, Natchitoches, LA

Built 1950 Load: 19.1 t ADT: 18,361

FH 59

Fair

Over: CLEAR BRANCH

NO DATA ENTERED, Natchitoches, LA

Built 1965 Load: 19.4 t ADT: 80

FDR 570

Fair

Over: SALINE BAYOU TRIB.

STRANGE ROAD, Natchitoches, LA

Built 1968 Load: 20.1 t ADT: 30

FDR 570

Fair

Over: CHOCTAW CREEK

STRANGE ROAD RT. 570, Natchitoches, LA

Built 1970 Load: 20.1 t ADT: 30

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial