St. James County, LA

26 public highway bridges

St. James County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, St. James County, Louisiana contains 26 public highway bridges. Roughly 26.9% are rated “Good,” 50% “Fair,” and 7.7% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

26
Total Bridges
26.9%
Good
50%
Fair
7.7%
Poor Condition

Condition Distribution

Good
26.9% (7)
Fair
50% (13)
Poor
7.7% (2)

All Bridges (26)

LA0070

Unknown

Over: MISSISSIPPI RIVER

LA0070, St. James, LA

ADT: 6,200

LA3213

Unknown

Over: MISSISSIPPI RIVER

0.85M NE JCT LA20 & LA44, St. James, LA

ADT: 4,400

LA3213

Unknown

Over: MISSISSIPPI RIVER/IC RR

3.0M SOUTH JCT US61/LA641, St. James, LA

ADT: 1,230

I0010

Unknown

Over: LA 641 OVER I-10

3.4 M N of US 61, St. James, LA

ADT: 41,400

LA0020

Fair

Over: DRAIN CANAL

LA0020, St. James, LA

Built 1965 Load: 18.1 t ADT: 8,204

US0061

Fair

Over: BLIND RIVER

3.74 M W of LA 641, St. James, LA

Built 1977 Load: 20.1 t ADT: 14,957

US0061

Fair

Over: BLIND RIVER

US0061, St. James, LA

Built 1954 Load: 21.4 t ADT: 8,171

US0061

Fair

Over: DRAIN CANAL

1.39 M W of LA 641, St. James, LA

Built 1954 Load: 22.7 t ADT: 8,171

US0061

Fair

Over: TCHACKCHOU BAYOU

US0061, St. James, LA

Built 1954 Load: 22.7 t ADT: 8,171

LA3125

Fair

Over: BAYOU DES ACADIENS

LA 3125 ST JAMES PAR, St. James, LA

Built 1980 Load: 28.8 t ADT: 10,807

LA0642

Fair

Over: MARVIN CANAL

0.6 M W of LA 3125, St. James, LA

Built 1979 Load: 28.8 t ADT: 410

I0010

Fair

Over: BLIND RIVER

I0010, St. James, LA

Built 1975 Load: 35.4 t ADT: 49,274

I0010

Fair

Over: BLIND RIVER

I0010, St. James, LA

Built 1975 Load: 35.4 t ADT: 29,510

LA3127

Fair

Over: SAINT JAMES CANAL

4.6 M EAST OF LA 70&3127, St. James, LA

Built 1988 Load: 48.6 t ADT: 6,703

LA0070

Fair

Over: OFF RAMP

LA70 Offramp 0.5 M E LA44, St. James, LA

Built 1964 Load: 49.9 t ADT: 6,786

LA0070

Fair

Over: RAMP EB

LA70 EB ramp 0.5 M E LA44, St. James, LA

Built 1964 Load: 49.9 t ADT: 6,786

LA3127

Fair

Over: BAYOU VERRET

1.1 M EAST OF LA 70&3127, St. James, LA

Built 1988 Load: 74.5 t ADT: 6,703

US0061

Good

Over: DRAIN CANAL

6.27 M W of LA 641, St. James, LA

Built 1954 Load: 22.7 t ADT: 8,171

LA0641

Good

Over: MC WILLIAMS PIPELINE XIN

LA 641 1.4 MI S OF I-10, St. James, LA

Built 1982 Load: 28.1 t ADT: 6,427

LA3125

Good

Over: PIPELINE CROSSING

0.6 M E of LA 70, St. James, LA

Built 1980 Load: 32.7 t ADT: 10,807

US0061

Good

Over: Blind River

0.1 Mi N. of LA 3274, St. James, LA

Built 1978 Load: 39.9 t ADT: 14,837

US0061

Good

Over: TCHACKCHOU BAYOU

US0061, St. James, LA

Built 1978 Load: 39.9 t ADT: 14,957

US0061

Good

Over: DRAIN CANAL

6.24 M W of LA 641, St. James, LA

Built 1978 Load: 39.9 t ADT: 14,957

LA3127

Good

Over: SAINT JAMES CANAL

7.4 M EAST OF LA 70&3127, St. James, LA

Built 1989 Load: 40.8 t ADT: 6,703

LA0020

Poor

Over: BAYOU CHEVREVIL

1.2 Mi N of LA 307, St. James, LA

Built 1959 ADT: 8,204

Conway Bayou

Poor

Over: BARROW PIT

26 Ft E of US 61, St. James, LA

Built 1968 ADT: 163
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.