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)

Carolyn St

Good

Over: CADNEY BAYOU TRIB. II

0.6 MILES NORTH OF LA 494, Natchitoches, LA

Built 2001 Load: 25.6 t ADT: 102

Harmony Rd

Good

Over: MCKIMS CREEK

1.0 MILE NORTH OF LA 478, Natchitoches, LA

Built 1999 Load: 25.9 t ADT: 54

Harmony Rd

Good

Over: MCKIMS CREEK

1.2 MILES NORTH OF LA 478, Natchitoches, LA

Built 1999 Load: 25.9 t ADT: 54

Cemetery Road

Good

Over: CYPRESS BAYOU

0.03 M W LITTLE RIVER RD., Natchitoches, LA

Built 2003 Load: 25.9 t ADT: 27

Harmony Rd

Good

Over: PROVENCAL CREEK

0.8 MILES EAST OF LA 117, Natchitoches, LA

Built 1999 Load: 25.9 t ADT: 54

Old River Rd

Good

Over: OLD RIVER

0.02 M W OF OLD RIVER ROA, Natchitoches, LA

Built 2000 Load: 25.9 t ADT: 102

Goldonna Rd

Good

Over: BIG FORDOCHE CREEK

3.50 M. S. OF LA 156, Natchitoches, LA

Built 1984 Load: 25.9 t ADT: 173

Allen Marthaville

Good

Over: WATSON BAYOU

1 M. NE OF LA 120, Natchitoches, LA

Built 1999 Load: 26.9 t ADT: 82

Mammy Trail Rd

Good

Over: CHEE-CHEE CREEK

2.31 MI. NORTH OF LA 1226, Natchitoches, LA

Built 2000 Load: 26.9 t ADT: 255

Blanchard St

Good

Over: CADNEY BAYOU TRIBUTARY

0.5 M. N. OF LA 494, Natchitoches, LA

Built 2000 Load: 27.9 t ADT: 392

LA0120

Good

Over: COX BRANCH

1.2 MILES N OF JCT LA 6, Natchitoches, LA

Built 2009 Load: 28.2 t ADT: 1,715

Bayou Derbonne Rd

Good

Over: BAYOU DERBONNE TRIBUTARY

1.6 MILES NW OF LA 119, Natchitoches, LA

Built 2012 Load: 29.5 t ADT: 104

FH 59

Good

Over: KISATCHIE BAYOU

NO DATA ENTERED, Natchitoches, LA

Built 1967 Load: 29.8 t ADT: 80

I0049

Good

Over: EMMANUEL ROAD

1.62 MI. SOUTH OF LA 119, Natchitoches, LA

Built 1985 Load: 29.9 t ADT: 28,142

Hart Rd

Good

Over: BAYOU BOURBEAUX

0.01 MILES NORTH OF LA 48, Natchitoches, LA

Built 2010 Load: 31.1 t ADT: 309

LA0478

Good

Over: SLATE BRANCH

2.74 MILES EAST OF LA 120, Natchitoches, LA

Built 2013 Load: 32.4 t ADT: 172

US0071

Good

Over: CREEK

2.01 MI. N OF INT LA6/US8, Natchitoches, LA

Built 1955 Load: 32.4 t ADT: 6,456

US0084

Good

Over: BOURBEAUX BAYOU

3.56 MI. EAST OF US 71, Natchitoches, LA

Built 1987 Load: 32.4 t ADT: 4,081

LA0001

Good

Over: DRY BRANCH CREEK

2.55 MI. N OF INT LA119, Natchitoches, LA

Built 1989 Load: 32.4 t ADT: 996

LA0001

Good

Over: DITCH

2.2 MI. N OF N INT LA119, Natchitoches, LA

Built 1936 Load: 32.4 t ADT: 2,835

LA0009

Good

Over: DRAIN

2.42 MI. N. OF LA 153, Natchitoches, LA

Built 1952 Load: 32.4 t ADT: 1,032

I0049

Good

Over: LIMEKILN BAYOU

1.2 MI. S OF JCT LA 6, Natchitoches, LA

Built 1985 Load: 32.4 t ADT: 18,305

I0049

Good

Over: CREEK

5.21 MI. NORTH OF LA 6, Natchitoches, LA

Built 1984 Load: 32.4 t ADT: 18,305

I0049

Good

Over: MIDDLE BAYOU

7.09 MI. NORTH OF LA 6, Natchitoches, LA

Built 1985 Load: 32.4 t ADT: 18,305

I0049

Good

Over: COW BAYOU

1.1 MI NORTH OF LA 485, Natchitoches, LA

Built 1987 Load: 32.4 t ADT: 16,334

I0049

Good

Over: INDIAN BAYOU

1.07 MI. NORTH OF LA 174, Natchitoches, LA

Built 1985 Load: 32.4 t ADT: 16,334

LA0484

Good

Over: CANE RIVER SPILLWAY

.82 MI. S OF INT LA494, Natchitoches, LA

Built 1948 Load: 32.4 t ADT: 111

Nid Aigie Rd

Good

Over: BAYOU NID AIGLE

1.44 MILES EAST OF LA 491, Natchitoches, LA

Built 2000 Load: 32.4 t ADT: 52

Robeline-Provencal

Good

Over: TRUDO CREEK

0.6 MILES WEST OF LA 117, Natchitoches, LA

Built 1996 Load: 32.4 t ADT: 302

Raplh St

Good

Over: DRAINAGE DITCH

0.3 MI. NORTH OF LA 494, Natchitoches, LA

Built 2000 Load: 32.4 t ADT: 52

Posey Rd

Good

Over: POSEY BRANCH

3.0 MILES WEST OF I-49, Natchitoches, LA

Built 2008 Load: 32.4 t ADT: 72

Mammy Trail Rd

Good

Over: CHEE CHEE CREEK

0.88 MI. NORTH OF LA 1226, Natchitoches, LA

Built 1997 Load: 32.4 t ADT: 350

Russell Cemetary

Good

Over: BAYOU DERBONNE

0.03 MI. W OF B. DERBONNE, Natchitoches, LA

Built 2013 Load: 32.7 t ADT: 72

LA0120

Good

Over: Bayou Blue

3.65 MI E of LA 117, Natchitoches, LA

Built 2018 Load: 33.0 t ADT: 665

LA0118

Good

Over: LITTLE SANDY CREEK

1.2 MI. EAST OF LA 117, Natchitoches, LA

Built 1998 Load: 33.6 t ADT: 164

LA0118

Good

Over: BIG BRANCH

4.71 MI. EAST OF LA 117, Natchitoches, LA

Built 1998 Load: 33.7 t ADT: 164

Emmanuel Rd

Good

Over: MILL CREEK

1.5 MILES WEST OF LA 490, Natchitoches, LA

Built 1997 Load: 33.7 t ADT: 352

Emmanuel Rd

Good

Over: COMITTE BAYOU

3.1 MILES SW OF LA 1, Natchitoches, LA

Built 1997 Load: 33.7 t ADT: 282

Allen Marthaville

Good

Over: BAYOU TERRE BLANC

3.25 M. N. OF LA 120, Natchitoches, LA

Built 1993 Load: 33.7 t ADT: 32

Bethany Rd

Good

Over: ROCKS CREEK

0.25 M. N. OF END MAINT., Natchitoches, LA

Built 1993 Load: 33.7 t ADT: 242

Good Hope Rd

Good

Over: BAYOU LUCE

2.1 MI SOUTH OF LA 120, Natchitoches, LA

Built 2012 Load: 34.0 t ADT: 76

Good Hope Rd

Good

Over: KISATCHIE BAYOU

1.1 MI. SOUTH OF LA 120, Natchitoches, LA

Built 2012 Load: 34.0 t ADT: 76

Rocks Creek Rd

Good

Over: ROCK'S CREEK

0.7 MI. WEST OF LA 487, Natchitoches, LA

Built 2013 Load: 34.0 t ADT: 75

Kisatchie Falls Rd

Good

Over: KISATCHIE BAYOU

1.3 MI. NE OF LA 118, Natchitoches, LA

Built 2012 Load: 34.3 t ADT: 28

NO DATA ENTERED

Good

Over: KISATCHIE BAYOU TRIBUTAR

NO DATA ENTERED, Natchitoches, LA

Built 2014 Load: 34.7 t ADT: 50

LA0491

Good

Over: RAT BOIS BAYOU

2.5 MI. NORTH OF LA 495, Natchitoches, LA

Built 2010 Load: 34.7 t ADT: 237

LA0009

Good

Over: BLACK LAKE

4.88 MI. EAST OF US 71, Natchitoches, LA

Built 2010 Load: 35.3 t ADT: 2,118

LA0490

Good

Over: CANE RIVER

1.0 MI. SW OF LA 1, Natchitoches, LA

Built 1977 Load: 35.4 t ADT: 142

I0049

Good

Over: BAYOU BARBUE

0.84 MI. NORTH OF LA 490, Natchitoches, LA

Built 1984 Load: 36.3 t ADT: 18,305

LA0120

Good

Over: DUPONT BAYOU

5.5 MILES EAST OF LA 487, Natchitoches, LA

Built 2009 Load: 36.6 t ADT: 1,946

Related

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