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)

I0049

Fair

Over: BAYOU CALLAHAN

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

Built 1962 Load: 29.8 t ADT: 44,243

LA0742

Fair

Over: BAYOU TOULOUSE

4.42 MI WEST OF LA 31, St. Landry, LA

Built 1974 Load: 30.1 t ADT: 1,741

W. Bellevue St.

Fair

Over: BAYOU TESSON

0.1 Mi E of S Liberty St., St. Landry, LA

Built 1965 Load: 30.1 t ADT: 1,500

I0049

Fair

Over: E. PRUDHOMME STREET

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

Built 1983 Load: 30.8 t ADT: 16,429

I0049

Fair

Over: E. PRUDHOMME STREET

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

Built 1983 Load: 30.8 t ADT: 13,540

LA0095

Fair

Over: CREEK

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

Built 1976 Load: 31.4 t ADT: 1,756

US0190

Fair

Over: LITTLE TECHE BAYU

3.41 MI E of I-49, St. Landry, LA

Built 1951 Load: 31.8 t ADT: 21,939

US0071

Fair

Over: BAYOU PETITE PRAIRIE

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

Built 1935 Load: 32.4 t ADT: 2,845

US0190

Fair

Over: BAYOU

0.7 MI EAST OF LA 752, St. Landry, LA

Built 1932 Load: 32.4 t ADT: 6,040

US0190

Fair

Over: BAYOU PLAQUEMINE

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

Built 1931 Load: 32.4 t ADT: 11,913

US0190

Fair

Over: BAYOU CALAHAN

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

Built 1967 Load: 32.4 t ADT: 10,065

US0190

Fair

Over: DRAIN

3.1 Miles East of I-49, St. Landry, LA

Built 1951 Load: 32.4 t ADT: 21,939

US0190

Fair

Over: DRAINAGE CANAL

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

Built 1951 Load: 32.4 t ADT: 21,939

US0167

Fair

Over: PLAQUEMINE BRULE

0.2 MI E OF LA 749, St. Landry, LA

Built 1932 Load: 32.4 t ADT: 7,630

LA0093

Fair

Over: BAYOU CARENCRO

0.1 MI SOUTH OF LA 761, St. Landry, LA

Built 1956 Load: 32.4 t ADT: 4,700

I0049

Fair

Over: DRAINAGE CANAL

1.6 MI NORTH OF LA 93, St. Landry, LA

Built 1962 Load: 32.4 t ADT: 38,400

I0049

Fair

Over: KENNISON BAYOU

0.27 MI N of US 167, St. Landry, LA

Built 1983 Load: 32.4 t ADT: 23,498

I0049

Fair

Over: BAYOU BOURBEAU

3.2 MI S of LA 3233, St. Landry, LA

Built 1962 Load: 32.7 t ADT: 13,540

I0049

Fair

Over: REST AREA OVERPASS

6.38 MI N OF LA 745, St. Landry, LA

Built 1986 Load: 32.7 t ADT: 21,048

I0049

Fair

Over: REST AREA OVERPASS

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

Built 1986 Load: 32.7 t ADT: 13,540

LA0359

Fair

Over: BAYOU SAQUETTE

0.3 MI NORTH OF LA 103, St. Landry, LA

Built 1966 Load: 32.7 t ADT: 744

Guillory Rd

Fair

Over: Bayou Mallet

1.0 Mi. S. of US 190, St. Landry, LA

Built 1986 Load: 33.4 t ADT: 300

Dewey Marks Ln.

Fair

Over: Wauksha Bayou

0.2 Mi SW. of La 359, St. Landry, LA

Built 1994 Load: 34.7 t ADT: 50

US0190

Fair

Over: BAYOU COURTABLEAU E.B.

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

Built 2004 Load: 35.6 t ADT: 13,476

Lebeau Church Rd

Fair

Over: BAYOU PETITE PRAIRIE

0.75 Mi SE of La 10, St. Landry, LA

Built 1992 Load: 35.6 t ADT: 110

US0190

Fair

Over: BAYOU DOZA

1.0 MI EAST OF LA 758, St. Landry, LA

Built 1969 Load: 36.3 t ADT: 8,492

LA3043

Fair

Over: BAYOU PLAQUEMINE NE

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

Built 1971 Load: 36.3 t ADT: 1,730

Beatrice Rd

Fair

Over: Drainage Canal

0.4 Mi. N of LA 365, St. Landry, LA

Built 2002 Load: 36.3 t ADT: 50

I0049

Fair

Over: BAYOU CALLAHAN

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

Built 1962 Load: 37.2 t ADT: 25,609

LA0757

Fair

Over: BAYOU DESCANNES

4.3 MI E of LA 3277, St. Landry, LA

Built 1999 Load: 37.2 t ADT: 3,491

LA0742

Fair

Over: DRAINAGE CANAL

3.02 MI WEST OF LA 31, St. Landry, LA

Built 1974 Load: 38.1 t ADT: 1,741

US0190

Fair

Over: BAYOU CALAHAN

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

Built 1931 Load: 39.9 t ADT: 20,603

I0049

Fair

Over: Bayou Carencro

2.10 Mi S of LA 93, St. Landry, LA

Built 1979 Load: 39.9 t ADT: 2,967

I0049

Fair

Over: BAYOU BOURBEAU

2.5 MI N of LA 93, St. Landry, LA

Built 1980 Load: 39.9 t ADT: 1,317

I0049

Fair

Over: BAYOU BOURBEAU

2.05 Mi S of LA 3233, St. Landry, LA

Built 1980 Load: 39.9 t ADT: 1,165

LA0356

Fair

Over: BAYOU BOUDREAUX

3.0 MI E of LA 95, St. Landry, LA

Built 1967 Load: 39.9 t ADT: 466

I0049

Fair

Over: Bayou Carencro

1.0 MI NORTH OF LA 182, St. Landry, LA

Built 1979 Load: 40.8 t ADT: 2,067

I0049

Fair

Over: DRAINAGE CANAL

1.90 Mi N of LA 10, St. Landry, LA

Built 1986 Load: 40.8 t ADT: 21,048

I0049

Fair

Over: DRAINAGE CANAL

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

Built 1986 Load: 40.8 t ADT: 13,540

I0049

Fair

Over: DRAINAGE CANAL

1.4 MI N OF LA 745, St. Landry, LA

Built 1986 Load: 40.8 t ADT: 21,048

I0049

Fair

Over: DRAINAGE CANAL

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

Built 1986 Load: 40.8 t ADT: 13,540

I0049

Fair

Over: BAYOU COCODRIE

9.0 MI NORTH OF LA 745, St. Landry, LA

Built 1987 Load: 40.8 t ADT: 19,693

LA0029

Fair

Over: BAYOU COCODRIE

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

Built 1987 Load: 42.1 t ADT: 665

US0190

Fair

Over: ATCHAFALAYA FLOODWAY

2.0 MI EAST OF LA 975, St. Landry, LA

Built 1961 Load: 42.6 t ADT: 20,176

US0190

Fair

Over: ATCHAFALAYA FLDWY

1.88 Mi E of US 71, St. Landry, LA

Built 1961 Load: 42.6 t ADT: 14,088

LA0182

Fair

Over: BAYOU BOURBEAUX

1.2 MI NORTH OF LA 93, St. Landry, LA

Built 1975 Load: 42.6 t ADT: 13,213

LA0182

Fair

Over: BAYOU TESSON

0.9 MI WEST OF LA 3233, St. Landry, LA

Built 1975 Load: 42.6 t ADT: 13,213

I0049

Fair

Over: BAYOU CALAHAN

1.94 Mi S of LA 31, St. Landry, LA

Built 1982 Load: 42.6 t ADT: 4,451

LA0182

Fair

Over: BAYOU BOEUF

10.46 MI NORTH OF LA 10, St. Landry, LA

Built 1998 Load: 43.5 t ADT: 455

I0049

Fair

Over: BAYOU DELPUENTE

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

Built 1983 Load: 43.5 t ADT: 16,429

Related

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