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

Unknown

Over: US0071

2.5 MI W of LA 3174, St. Landry, LA

ADT: 1,550

US0190

Unknown

Over: US 71 OVERPASS

US 190 OVER US 71, St. Landry, LA

ADT: 1,550

US0190

Unknown

Over: ATCHAFALAYA R @ K'SPNGS

0.25 Mi W of LA 975, St. Landry, LA

ADT: 130

US0190

Unknown

Over: ATCHAFALAYA R @ K'SPNGS

4.0 MI E of US 71, St. Landry, LA

ADT: 130

US0190

Unknown

Over: UPRR

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

ADT: 1,900

US0190

Unknown

Over: MO PACIFIC RR

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

ADT: 1,900

LA0182

Unknown

Over: I-49

1 Mi. West of LA 760-2, St. Landry, LA

ADT: 37,700

I0049

Unknown

Over: LA0093

I-49 OVER LA 93, St. Landry, LA

ADT: 7,000

I0049

Unknown

Over: LA0093

I-49 OVER LA 93, St. Landry, LA

ADT: 7,000

I0049

Unknown

Over: LA3233

4.5 Mi. North of LA 93, St. Landry, LA

ADT: 4,600

I0049

Unknown

Over: LA3233

2.8 S of La 31, St. Landry, LA

ADT: 4,600

I0049

Unknown

Over: LA0031

2.8 Mi N of LA 3233, St. Landry, LA

ADT: 17,200

I0049

Unknown

Over: LA0031

I-49 OVER LA 31, St. Landry, LA

ADT: 17,200

I0049

Unknown

Over: US0190

I-49 OVER US 190, St. Landry, LA

ADT: 23,800

I0049

Unknown

Over: US0190

I-49 OVER US 190, St. Landry, LA

ADT: 23,800

I0049

Unknown

Over: US 167 EXT.

3.78 Mi. North of US 190, St. Landry, LA

ADT: 6,900

I0049

Unknown

Over: US 167 EXT.

I-49 OVER US 167, St. Landry, LA

ADT: 6,900

I0049

Unknown

Over: LA 103-COURTABLEAU BAYOU

2 Miles N of US 167, St. Landry, LA

ADT: 2,600

I0049

Unknown

Over: LA 103-COURTABLEAU BAYOU

1.92 MI South of LA 10, St. Landry, LA

ADT: 2,600

Stelly Rd

Unknown

Over: I-49

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

ADT: 17,100

I0049

Unknown

Over: LA0010

2 Miles North of LA 103, St. Landry, LA

ADT: 3,500

I0049

Unknown

Over: LA0010

12.8 MI SE OF LA 29, St. Landry, LA

ADT: 3,500

I0049

Unknown

Over: LA 745, BOEUF BAYOU

0.8 MI NW OF LA 182, St. Landry, LA

ADT: 99

I0049

Unknown

Over: LA 745 , BOEUF BAYOU

11.8 MI SE OF LA 29, St. Landry, LA

ADT: 99

I0049

Unknown

Over: LA0029

12.8 MI N of LA 10, St. Landry, LA

ADT: 1,330

I0049

Unknown

Over: LA0029

6.6 MI S of LA 106, St. Landry, LA

ADT: 1,330

Will Landry Rd

Fair

Over: WAUKSHA BAYOU

0.12 MILES N OF LA 103, St. Landry, LA

Built 2012 Load: 5.5 t ADT: 10

LA0103

Fair

Over: DRAINAGE CANAL

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

Built 1953 Load: 9.1 t ADT: 1,349

Fuselier Rd

Fair

Over: De Marks Coulee

2.4 Mi. W. of La 740, St. Landry, LA

Built 1976 Load: 11.3 t ADT: 300

Cherry St

Fair

Over: Bayou Tesson

0.3 Mi. W. of La 182, St. Landry, LA

Built 1965 Load: 11.3 t ADT: 1,200

W. Dunbar Ave.

Fair

Over: BAYOU TESSON

0.2 Mi W. of La 182, St. Landry, LA

Built 1965 Load: 12.6 t ADT: 1,200

LA0742

Fair

Over: BAYOU DEL PUENT

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

Built 1974 Load: 13.0 t ADT: 1,741

8th St

Fair

Over: RICHARDS GULLY

0.3 Mi N of US 190, St. Landry, LA

Built 1970 Load: 13.0 t ADT: 1,200

Choctaw Rd

Fair

Over: Drainage Bayou

0.6 Mi. S. of La 182, St. Landry, LA

Built 1973 Load: 13.3 t ADT: 400

Green Rd.

Fair

Over: Bayou Fuselier

2.2 Mi. N. of La 1252, St. Landry, LA

Built 1979 Load: 13.6 t ADT: 125

Kennerson Rd

Fair

Over: Bayou Kennison

0.2 Mi. S. Of I49 Srvc Rd, St. Landry, LA

Built 1971 Load: 13.6 t ADT: 575

Country Ridge Rd.

Fair

Over: Coulee Rouge

0.40 Mi E of LA 31, St. Landry, LA

Built 2007 Load: 14.3 t ADT: 25

HYPOLITE MILLER RD

Fair

Over: BAYOU BOURBEUX

0.43 MI S of LA 754, St. Landry, LA

Built 1978 Load: 14.6 t ADT: 400

Bayou Jack Rd

Fair

Over: Bayou Jack

2.14 Mi SE of LA 107, St. Landry, LA

Built 1978 Load: 14.6 t ADT: 160

W. North St.

Fair

Over: BAYOU TESSON

0.2 Mi W. of La 182, St. Landry, LA

Built 1935 Load: 14.9 t ADT: 500

W. Grolee St.

Fair

Over: BAYOU TESSON

0.3 Mi W. of La 182, St. Landry, LA

Built 1935 Load: 14.9 t ADT: 800

LA0752

Fair

Over: BAYOU MALLET

2.73 MI E OF LA 751, St. Landry, LA

Built 1968 Load: 15.2 t ADT: 475

W. Jefferson St.

Fair

Over: BAYOU TESSON

0.3 Mi W. of La 182, St. Landry, LA

Built 1965 Load: 15.6 t ADT: 700

W. South St

Fair

Over: Bayou Tesson

.76 Mi. East of LA 357, St. Landry, LA

Built 1936 Load: 15.6 t ADT: 800

Horecky Rd

Fair

Over: BAYOU WAUKSHA

1.8M SW of Lee Richard LP, St. Landry, LA

Built 1986 Load: 15.6 t ADT: 240

LA0010

Fair

Over: BAYOU COURTABLEAU

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

Built 1936 Load: 15.9 t ADT: 1,533

Jules Lagrange Rd

Fair

Over: COULEE DE MARKS

1.58 Mi S of LA 347, St. Landry, LA

Built 1967 Load: 16.2 t ADT: 1,550

Charles Fisher Rd

Fair

Over: Drainage Bayou

0.4 M NW of LA 357, St. Landry, LA

Built 2018 Load: 16.8 t ADT: 245

LA0035

Fair

Over: DRAINAGE CANAL

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

Built 1968 Load: 16.8 t ADT: 1,352

LA0107

Fair

Over: SPRING BAYOU

1.02 MI EAST OF LA 361, St. Landry, LA

Built 1972 Load: 17.5 t ADT: 1,214

Related

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