De Soto County, LA

201 public highway bridges

De Soto County Bridge Snapshot

De Soto County, Louisiana contains 201 public highway bridges in the FHWA National Bridge Inventory. Roughly 23.9% are rated “Good,” 64.7% “Fair,” 5% “Poor,” and 5% 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.

201
Total Bridges
23.9%
Good
5%
Poor
5%
Structurally Deficient

Condition Distribution

Good
23.9% (48)
Fair
64.7% (130)
Poor
5% (10)
SD
5% (10)

All Bridges (201)

MT. ZION RD

Unknown

Over: I-49

2.1 MI S OF LA 175, De Soto, LA

ADT: 14,600

LA0509

Unknown

Over: LA 509 OVER I-49

LA 509 OVER I-49, De Soto, LA

ADT: 4,900

LA0177

Unknown

Over: I-49

LA 177 OVER I-49, De Soto, LA

ADT: 1,250

POWER PLANT RD

Unknown

Over: NABARTON ROAD OVER I-49

1.3 MI S OF US 84 INTR., De Soto, LA

ADT: 1,460

I0049

Unknown

Over: I-49 OVER US 84

4.85 MI S OF LA 509 INTER, De Soto, LA

ADT: 8,760

I0049

Unknown

Over: I-49 OVER US 84

4.84 MI S OF LA 509 INTG, De Soto, LA

ADT: 8,760

SMITHPORT LAKE RD

Unknown

Over: I-49

2.81 MI N OF US 84 INTER, De Soto, LA

ADT: 1,680

SLOAN RD

Unknown

Over: DESOTO RD 14 OVER I-49

1.43 MI N OF LA 509 INTG, De Soto, LA

ADT: 1,930

Bradshaw Rd.

Unknown

Over: I-49

3.78 MI N OF LA 509 INTG, De Soto, LA

ADT: 1,930

I0049

Unknown

Over: I-49 OVER LA 175

2.41 MI. NORTH OF LA 5, De Soto, LA

ADT: 11,580

I0049

Unknown

Over: I-49 OVER LA 175

2.42 MI. N. OF LA 5, De Soto, LA

ADT: 11,580

I0049

Unknown

Over: FRIERSON RD INTERG

5.3 MI N OF LA 175 INTG, De Soto, LA

ADT: 4,150

I0049

Unknown

Over: FRIERSON RD INTG

5.3 MI N OF LA 175 INTG, De Soto, LA

ADT: 4,150

US0084

Fair

Over: BAYOU GRAND CANE

1.6 MI EAST OF LA 191, De Soto, LA

Built 1951 Load: 15.6 t ADT: 4,251

LA3015

Fair

Over: BUSHNECK BAYOU

1.0 MI WEST OF LA 5, De Soto, LA

Built 1979 Load: 15.9 t ADT: 462

LA0177

Fair

Over: CHEMARD LAKE

2.07 MI NORTH OF LA 346, De Soto, LA

Built 1959 Load: 16.5 t ADT: 2,878

LA0191

Fair

Over: COW BAYOU

2.14 MI NORTH OF LA 481, De Soto, LA

Built 1960 Load: 16.5 t ADT: 769

LA0191

Fair

Over: BULL BAYOU

3.70 MI NORTH OF LA 481, De Soto, LA

Built 1960 Load: 16.5 t ADT: 769

US0084

Fair

Over: FOURMILE BAYOU

2.7 MI EAST OF LA 175, De Soto, LA

Built 1953 Load: 18.1 t ADT: 5,051

US0084

Fair

Over: BAYOU

.7 MI EAST OF LA 522, De Soto, LA

Built 1953 Load: 18.1 t ADT: 5,350

US0084

Fair

Over: CLIFTON BAYOU

1.5 MI EAST OF LA 522, De Soto, LA

Built 1953 Load: 18.1 t ADT: 5,350

US0084

Fair

Over: DRAIN

1.4 MI EAST OF LA 191, De Soto, LA

Built 1951 Load: 19.1 t ADT: 4,251

US0084

Fair

Over: B.GRAND CANE RLF

1.7 MI EAST OF LA 191, De Soto, LA

Built 1951 Load: 19.1 t ADT: 4,251

LA0175

Fair

Over: LITTLE BAYOU NA BONCHASS

1.1 MI NORTH OF LA 3015, De Soto, LA

Built 1957 Load: 20.9 t ADT: 4,306

LA0175

Fair

Over: CANEY BAYOU

1.6 MI SOUTH OF LA 5, De Soto, LA

Built 1957 Load: 20.9 t ADT: 4,051

LA0175

Fair

Over: CANEY BAYOU REL

1.4 MI SOUTH OF LA 5, De Soto, LA

Built 1957 Load: 20.9 t ADT: 4,051

LA0512

Fair

Over: BA SAN PATRICIO R

2.50 MI EAST OF LA 171, De Soto, LA

Built 1957 Load: 22.7 t ADT: 215

LA0513

Fair

Over: CREEK

8.3 MI NORTH OF LA 346, De Soto, LA

Built 1975 Load: 23.0 t ADT: 243

LA0172

Fair

Over: BUSHNECK BAYOU

2.6 MI WEST OF LA 169, De Soto, LA

Built 1958 Load: 23.6 t ADT: 1,316

LA0005

Fair

Over: RAMBIN BAYOU

2.08 MI EAST OF LA 171, De Soto, LA

Built 1962 Load: 23.6 t ADT: 2,226

LA0191

Fair

Over: B GRAND CANE RELIEF

4.74 MI NORTH OF LA 763, De Soto, LA

Built 1958 Load: 23.6 t ADT: 1,093

LA0191

Fair

Over: BAYOU GRAND CANE

4.82 MI NORTH OF LA 763, De Soto, LA

Built 1958 Load: 23.6 t ADT: 1,093

LA0481

Fair

Over: CLEMENT CREEK

9.91 MI NORTH OF LA 191, De Soto, LA

Built 1962 Load: 23.6 t ADT: 469

LA0512

Fair

Over: SAN PATRICIO BAYOU

2.21 MI EAST OF LA 171, De Soto, LA

Built 1957 Load: 23.6 t ADT: 215

LA0346

Fair

Over: RAMBIN BAYOU

6.05 MI EAST OF LA 175, De Soto, LA

Built 1962 Load: 23.6 t ADT: 275

LA0191

Fair

Over: COW BAYOU RELIEF

1.92 MI NORTH OF LA 481, De Soto, LA

Built 1960 Load: 23.6 t ADT: 769

LA0191

Fair

Over: CLEMENT CREEK

7.56 MI NORTH OF LA 481, De Soto, LA

Built 1958 Load: 23.6 t ADT: 769

LA0513

Fair

Over: SAN PATRICIO BAYOU

.4 MI NORTH OF LA 346, De Soto, LA

Built 1975 Load: 23.7 t ADT: 243

LA0191

Fair

Over: ROCKY BRANCH

.22 MI NORTH OF LA 763, De Soto, LA

Built 1958 Load: 24.0 t ADT: 1,093

LA0191

Fair

Over: DRAIN

.09 MI NORTH OF LA 481, De Soto, LA

Built 1960 Load: 24.0 t ADT: 769

LA0191

Fair

Over: BIG BRANCH

2.14 MI NORTH OF LA 763, De Soto, LA

Built 1958 Load: 24.3 t ADT: 1,093

LA0481

Fair

Over: COW BAYOU

4.31 MI NORTH OF LA 191, De Soto, LA

Built 1962 Load: 24.5 t ADT: 469

LA0513

Fair

Over: CREEK

1.7 MI NORTH OF LA 346, De Soto, LA

Built 1975 Load: 24.9 t ADT: 243

US0084

Fair

Over: BAGET CREEK

5.9 MI EAST OF LA 763, De Soto, LA

Built 1949 Load: 25.6 t ADT: 4,394

LA0005

Fair

Over: CREEK

5.2 MI NORTH OF LA 3015, De Soto, LA

Built 1948 Load: 26.3 t ADT: 4,413

LA0177

Fair

Over: LITTLE WALLACE BAYOU

5.6 MI EAST OF LA 175, De Soto, LA

Built 1959 Load: 26.9 t ADT: 1,398

LA0005

Fair

Over: BUSHNECK BAYOUREL

4.99 MI NORTH OF US 84, De Soto, LA

Built 1948 Load: 27.2 t ADT: 3,931

LA0005

Fair

Over: BUSHNECK BAYOU

5.3MI NORTH OF US 84, De Soto, LA

Built 1948 Load: 27.2 t ADT: 3,931

LA0172

Fair

Over: LITTLE CREEK

1.4 MI WEST OF LA 169, De Soto, LA

Built 1958 Load: 27.2 t ADT: 1,316

LA0481

Fair

Over: COW BAYOU RELIEF

4.14 MI NORTH OF LA 191, De Soto, LA

Built 1962 Load: 27.2 t ADT: 469

Related

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