St. Landry County, LA

317 public highway bridges

St. Landry County Bridge Snapshot

St. Landry County, Louisiana contains 317 public highway bridges in the FHWA National Bridge Inventory. Roughly 38.2% are rated “Good,” 47% “Fair,” 6.6% “Poor,” and 6.6% 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.

317
Total Bridges
38.2%
Good
6.6%
Poor
6.6%
Structurally Deficient

Condition Distribution

Good
38.2% (121)
Fair
47% (149)
Poor
6.6% (21)
SD
6.6% (21)

All Bridges (317)

US0190

Good

Over: BAYOU DARBONNE W.B.

1.19 Mi W of US 71, St. Landry, LA

Built 2004 Load: 28.2 t ADT: 20,176

US0190

Good

Over: SLOW BAYOU E.B.

5.02 MI EAST OF LA 741, St. Landry, LA

Built 2004 Load: 30.8 t ADT: 13,476

US0190

Good

Over: SLOW BAYOU W.B.

3.00 Mi W of US 71, St. Landry, LA

Built 2005 Load: 30.8 t ADT: 20,176

Hickory Rd.

Good

Over: BAYOU BOURBEUX

0.53 Mi N of LA 93, St. Landry, LA

Built 1997 Load: 31.8 t ADT: 400

LA0035

Good

Over: DRAINAGE CANAL

2 Mi. S. of LA 358, St. Landry, LA

Built 2009 Load: 32.4 t ADT: 1,352

LA0035

Good

Over: DRAINAGE CANAL

1.2 Mi. S. of LA 740, St. Landry, LA

Built 2009 Load: 32.4 t ADT: 1,790

Judson Walsh Drive

Good

Over: Rawles Bayou

.01 Mi West of I-49, St. Landry, LA

Built 2020 Load: 32.4 t ADT: 5,500

US0071

Good

Over: SANDY BAYOU

6.50 MI S of LA 10, St. Landry, LA

Built 2002 Load: 32.4 t ADT: 1,695

US0190

Good

Over: BAYOU MALLET

1.1 MI EAST OF LA 103, St. Landry, LA

Built 1931 Load: 32.4 t ADT: 4,319

US0190

Good

Over: BAYOU FORK

2.3 MI EAST OF LA 35, St. Landry, LA

Built 1931 Load: 32.4 t ADT: 11,913

US0190

Good

Over: BOAGNI SWAMP

1.1 MI EAST OF I-49, St. Landry, LA

Built 1951 Load: 32.4 t ADT: 21,716

US0190

Good

Over: BAYOU TOULOUSE

0.05 Mi W of LA 742, St. Landry, LA

Built 1951 Load: 32.4 t ADT: 20,498

LA0182

Good

Over: DRAINAGE DITCH

0.1 MI WEST OF I-49, St. Landry, LA

Built 1992 Load: 32.4 t ADT: 16,573

I-49 Frontage

Good

Over: DRAINAGE DITCH

0.1 MI North of LA 182, St. Landry, LA

Built 1992 Load: 32.4 t ADT: 2,967

I-49 SB FrontageRd

Good

Over: DRAINAGE DITCH

0.1 MI South of LA 182, St. Landry, LA

Built 1992 Load: 32.4 t ADT: 2,967

LA0013

Good

Over: DRAINAGE CANAL

1.6 Mi. North of LA 29, St. Landry, LA

Built 1966 Load: 32.4 t ADT: 4,950

US0167

Good

Over: BAYOU BELLEVIEW

1.2 MI EAST OF LA 749, St. Landry, LA

Built 1955 Load: 32.4 t ADT: 7,630

I0049

Good

Over: DRAINAGE DITCH

0.6 MI NORTH OF LA 3233, St. Landry, LA

Built 1960 Load: 32.4 t ADT: 4,002

I0049

Good

Over: DRAINAGE CANAL

1.2 MI NORTH OF LA 3233, St. Landry, LA

Built 1962 Load: 32.4 t ADT: 4,002

I0049

Good

Over: DRAINAGE CANAL

1.3 MI NORTH OF LA 3233, St. Landry, LA

Built 1962 Load: 32.4 t ADT: 4,451

Prudhomme St.

Good

Over: BAYOU RAWLES

0.5 MI NORTH OF US 190, St. Landry, LA

Built 1981 Load: 32.4 t ADT: 2,820

I0049

Good

Over: KENNISON BAYOU

0.46 MI S of US 167, St. Landry, LA

Built 1983 Load: 32.4 t ADT: 333

LA0751

Good

Over: DRAINAGE LATERAL

1.66 MI WEST OF LA 35, St. Landry, LA

Built 1970 Load: 32.4 t ADT: 666

LA0103

Good

Over: DRAINAGE CANAL

3.81 MI NORTH OF LA 104, St. Landry, LA

Built 1960 Load: 32.4 t ADT: 616

Domengeaux Rd.

Good

Over: Drain Canal

0.3 Mi. E. of La 93, St. Landry, LA

Built 2000 Load: 32.4 t ADT: 150

Oak Rd

Good

Over: Drainage Bayou

0.08 S. of La 358, St. Landry, LA

Built 1997 Load: 32.4 t ADT: 350

W. Linwood Dr.

Good

Over: RAWLES BAYOU

0.1 MI W of I-49 Frontage, St. Landry, LA

Built 2007 Load: 32.4 t ADT: 200

Blossom Rd

Good

Over: DRAINAGE BAYOU

2.50 Mi SE of LA 35, St. Landry, LA

Built 2005 Load: 32.4 t ADT: 200

Lakeview Dr.

Good

Over: Drainage Bayou

0.17 Mi E of I-49, St. Landry, LA

Built 1994 Load: 32.4 t ADT: 150

Desiree Rd

Good

Over: WEST FORK BAYOU

0.48 Mi SW of US 190, St. Landry, LA

Built 2000 Load: 32.4 t ADT: 330

Goyo Rd.

Good

Over: DRAINAGE BAYOU

0.6 MI NE of LA 363, St. Landry, LA

Built 2000 Load: 32.4 t ADT: 550

Domengeaux Rd.

Good

Over: Drainage Canal

1.0 MI E of LA 93, St. Landry, LA

Built 2000 Load: 32.7 t ADT: 150

Noel Rd

Good

Over: Plaquemine Bayou

0.5 Mi SE. of La 35, St. Landry, LA

Built 2000 Load: 32.7 t ADT: 525

Dupre Rd

Good

Over: DRAINAGE CANAL

0.9 N of LA 3043, St. Landry, LA

Built 2000 Load: 32.7 t ADT: 325

White Oak Rd

Good

Over: BAYOU CARRON

0.3 Mi SW of La 103, St. Landry, LA

Built 2000 Load: 32.7 t ADT: 100

I0049

Good

Over: E.Grolee St/MPRR

3.55 Mi S of LA 744, St. Landry, LA

Built 1983 Load: 33.6 t ADT: 15,642

Billeaux Road

Good

Over: Carencro Bayou

1.08 Miles E of LA 93, St. Landry, LA

Built 2018 Load: 34.0 t ADT: 680

LA0013

Good

Over: DRAINAGE CANAL

1.81 MI NORTH OF US 190, St. Landry, LA

Built 1978 Load: 34.5 t ADT: 6,481

I0049

Good

Over: E.Grolee St/MPRR

0.2 MI N of US 190, St. Landry, LA

Built 1983 Load: 34.5 t ADT: 14,400

LA0363

Good

Over: DRAINAGE CANAL

2.2 MI N of LA 748, St. Landry, LA

Built 2009 Load: 34.7 t ADT: 777

US0190

Good

Over: BAYOU DARBONNE E.B.

7.0 MI EAST OF LA 741, St. Landry, LA

Built 2004 Load: 34.7 t ADT: 13,476

LA0103

Good

Over: BAYOU COURTBLEAU

1.0 MI E of LA 743, St. Landry, LA

Built 2009 Load: 35.6 t ADT: 2,000

Little Teche Rd

Good

Over: COULEE ROUGE

0.9 Mi N of LA 31, St. Landry, LA

Built 2011 Load: 36.0 t ADT: 50

US0190

Good

Over: BAYOU COURTABLEAU W.B.

3.70 Mi W of US 71, St. Landry, LA

Built 2005 Load: 36.0 t ADT: 20,176

Chretien Point Rd.

Good

Over: BAYOU BOURBE

1.2 Mi NE of LA 356, St. Landry, LA

Built 1997 Load: 36.3 t ADT: 520

Bellard Loop

Good

Over: Drainage Canal

0.25 MI E of LA 35, St. Landry, LA

Built 2002 Load: 36.3 t ADT: 200

Threatt St.

Good

Over: RICHARDS GULLY

0.10 Mi S of LA 29, St. Landry, LA

Built 2005 Load: 36.3 t ADT: 200

Nezat Rd.

Good

Over: BAYOU LITTLE TECHE

0.05 MI W of LA 743, St. Landry, LA

Built 2005 Load: 36.3 t ADT: 410

Rayne Rd

Good

Over: BRANCH OF B. COURTABLEAU

1.67 Mi SE of LA 103, St. Landry, LA

Built 1995 Load: 36.9 t ADT: 225

Carson Rd

Good

Over: DRAINAGE BAYOU

0.74 Mi W of LA 361, St. Landry, LA

Built 2000 Load: 36.9 t ADT: 120

Related

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