Jefferson County, LA

379 public highway bridges

Jefferson County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Jefferson County, Louisiana contains 379 public highway bridges. Roughly 54.1% are rated “Good,” 28.2% “Fair,” and 4.2% “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.

379
Total Bridges
54.1%
Good
28.2%
Fair
4.2%
Poor Condition

Condition Distribution

Good
54.1% (205)
Fair
28.2% (107)
Poor
4.2% (16)

All Bridges (379)

N. Causeway BLVD

Unknown

Over: LA 611-9 & JOHNSON ST

0.62 MI N OF US 90, Jefferson, LA

ADT: 7,250

E Loyoal Dr

Fair

Over: CANAL NO. 7

1.2 MI. N. OF 35 TH., Jefferson, LA

Built 1970 Load: 7.8 t

B. SEGNETTE ST PK

Fair

Over: WHISKY BAYOU

0.4 MI NW OF DRAKE AVE, Jefferson, LA

Built 1999 Load: 17.1 t

B. SEGNETTE ST PK

Fair

Over: MAIN CANAL

1.0MI. S. OF W.B. EXPWY., Jefferson, LA

Built 1992 Load: 18.1 t

N. Causeway BLVD

Fair

Over: LA SOUTHERN RR

0.6 MI N OF US 90, Jefferson, LA

Built 1957 Load: 18.1 t ADT: 7,806

BREAUX AVE

Fair

Over: GARDERE CANAL

0.3 MI.E OF PETERS R, Jefferson, LA

Built 1960 Load: 18.5 t ADT: 750

HARVEY BLVD

Fair

Over: TRAPP CANAL

0.45 MI. E. OF MANHATTAN, Jefferson, LA

Built 1984 Load: 18.8 t ADT: 6,000

DRAKE AVE

Fair

Over: BAYOU SEGNETTE

0.5 M NORTH OF LAPALCO, Jefferson, LA

Built 1960 Load: 19.1 t ADT: 200

CLUB DR

Fair

Over: CANAL NO.3

0.005 MI N OF VETERANS B, Jefferson, LA

Built 1970 Load: 19.1 t

B. SEGNETTE ST PK

Fair

Over: RAILROAD CANAL

0.45 MI.S. OF W.B.EXPWY., Jefferson, LA

Built 1996 Load: 19.3 t

I0010

Fair

Over: LOYOLA AVE.

1.2 MI EAST OF I-310, Jefferson, LA

Built 1971 Load: 19.4 t ADT: 126,119

I0010

Fair

Over: LOYOLA AVE

1.2 MI EAST OF I-310, Jefferson, LA

Built 1971 Load: 19.4 t ADT: 41,695

Nero St

Fair

Over: BONNABEL CANAL

0.5 MI.E OF CAUSEWAY, Jefferson, LA

Built 1960 Load: 20.1 t

LA0018

Fair

Over: HARVEY CANAL

.05 MI EAST OF LA 3018, Jefferson, LA

Built 1975 Load: 20.4 t ADT: 9,678

Destrehan Ave

Fair

Over: COUSINS CANAL

0.4 MI NE OF LONG LEAF LN, Jefferson, LA

Built 2005 Load: 20.4 t ADT: 2,000

LAPALCO BLVD

Fair

Over: WEYRAUCH CANAL

0.6MI.E.OF MANHATTAN, Jefferson, LA

Built 1971 Load: 20.4 t ADT: 50,000

LAPALCO BLVD

Fair

Over: AMES CANAL

0.3 MI.W OF AMES BL, Jefferson, LA

Built 1970 Load: 20.7 t ADT: 2,000

CAROL SUE AVE

Fair

Over: OUTFALL CANAL

0.2 M S OF BEHRMAN HWY, Jefferson, LA

Built 1980 Load: 20.9 t ADT: 1,000

PARK PLACE DR

Fair

Over: OUTFALL CANAL

0.2 E. OF BEHRMAN HWY., Jefferson, LA

Built 1970 Load: 20.9 t ADT: 5,000

Pamona St

Fair

Over: BONNABEL CANAL

O.01 MI.E.OF MELODY., Jefferson, LA

Built 1970 Load: 21.4 t

US0090-B

Fair

Over: RAMP BA-1

2.6 MI EAST OF LA 23, Jefferson, LA

Built 1984 Load: 21.7 t ADT: 15,955

S LESTER AVE

Fair

Over: CANAL NO. 6

0.01 MI S OF US 61, Jefferson, LA

Built 1970 Load: 22.4 t ADT: 2,000

US0090-B

Fair

Over: OFF RAMP OVER WHITNEY AV

1.2 MI WEST OF LA 23, Jefferson, LA

Built 1987 Load: 22.7 t ADT: 15,955

MANHATTAN BLVD

Fair

Over: BAYOU FATMA

0.5 MI S. OF LAPALCO BLVD, Jefferson, LA

Built 1988 Load: 22.7 t ADT: 2,000

WHITNEY AVE

Fair

Over: DRAINAGE CANAL

0.1 MI N OF LA 23, Jefferson, LA

Built 2004 Load: 23.3 t ADT: 2,500

Airline Dr

Fair

Over: DRIVEWAY

0.6 MI N OF US 90, Jefferson, LA

Built 1957 Load: 23.3 t ADT: 6,768

Airline Dr

Fair

Over: LA SOUTHERN RR

0.6 MI N OF US 90, Jefferson, LA

Built 1957 Load: 23.3 t ADT: 7,021

N. Causeway BLVD

Fair

Over: DRIVEWAY

0.61 MI N OF US 90, Jefferson, LA

Built 1957 Load: 23.3 t ADT: 7,378

CAUSEWAY BLVD

Fair

Over: US 61 & LA 611-9 & CIRCL

0.6 MI N OF US 90, Jefferson, LA

Built 1957 Load: 23.3 t ADT: 44,036

LAPALCO BLVD

Fair

Over: MURPHY CANAL

0.3 MI E OF LA 3017, Jefferson, LA

Built 2010 Load: 24.0 t ADT: 1,974

VETERAN'S BLVD WB

Fair

Over: BONNABEL CANAL

0.5 MI. E OF CAUSEWA, Jefferson, LA

Built 1960 Load: 24.0 t ADT: 18,150

WALL BLVD

Fair

Over: BAYOU FATMA

.80 MI S. OF LAPALCO BLVD, Jefferson, LA

Built 1988 Load: 24.3 t ADT: 8,000

VETERAN'S BLVD EB

Fair

Over: BONNABEL CANAL

0.5 MI. E OF CAUSEWAY, Jefferson, LA

Built 1960 Load: 24.6 t ADT: 19,550

US0090-B

Fair

Over: RAMP MA-2

.7 MI EAST OF LA 23, Jefferson, LA

Built 1985 Load: 24.9 t ADT: 15,955

LAPALCO BLVD

Fair

Over: VERRET CANAL

0.3MI.E.OF MANHATTAN, Jefferson, LA

Built 1976 Load: 24.9 t ADT: 30,000

LAPALCO BLVD

Fair

Over: FORTADO CANAL

0.1MI.W.OF WALL BLVD, Jefferson, LA

Built 1960 Load: 24.9 t ADT: 5,000

Maplewood Dr

Fair

Over: GARDERE CANAL

0.3 MI. S. OF US90 FRONTA, Jefferson, LA

Built 1983 Load: 24.9 t ADT: 1,000

POWER BLVD

Fair

Over: CANAL NO. 1

0.8 MI N. OF W. ESPLANADE, Jefferson, LA

Built 1983 Load: 24.9 t

PATRIOT ST X-OVER

Fair

Over: PATRIOT STREET CANAL

.7 MI E. OF BARATARIA BLV, Jefferson, LA

Built 1980 Load: 25.3 t ADT: 800

W Esplanade Ave

Fair

Over: CANAL NO 2

.1 mile west of Transcon., Jefferson, LA

Built 2000 Load: 25.9 t ADT: 1,250

LA3257

Fair

Over: PAILET CANAL

1.00 MI. WEST OF LA 302, Jefferson, LA

Built 1996 Load: 25.9 t ADT: 876

BETTY ST

Fair

Over: MAYRONNE CANAL

0.2MI.SOUTH OF MONTG, Jefferson, LA

Built 1970 Load: 25.9 t ADT: 200

CHRISTMAS ROAD

Fair

Over: BAYOU DES FAMILLES

LA 45 SOUTH. FOLLOW SIGN, Jefferson, LA

Built 1988 Load: 26.3 t ADT: 300

LAPALCO BLVD

Fair

Over: VERRET CANAL

0.3MI.E.OF MANHATTAN, Jefferson, LA

Built 1976 Load: 26.6 t ADT: 30,000

US0090-B

Fair

Over: RAMP BA-2

2.6 MI EAST OF LA 23, Jefferson, LA

Built 1984 Load: 26.9 t ADT: 15,955

KAWANEE AVE

Fair

Over: ELMWOOD CANAL

.04 MILES WEST OF ACADEMY, Jefferson, LA

Built 2008 Load: 27.5 t

US0090-B

Fair

Over: RAMP LA-4

.2 MI EAST OF LA 23, Jefferson, LA

Built 1985 Load: 27.5 t ADT: 15,955

US0090

Fair

Over: MISSISSIPPI RIVER

.01 MI SOUTH OF LA 48, Jefferson, LA

Built 1936 Load: 28.2 t ADT: 55,210

MAGNOLIA DR

Fair

Over: KEYHOLE CANAL

.15 SO OF W.B. EXPWY., Jefferson, LA

Built 1990 Load: 28.2 t

SEGNETTE BLVD

Fair

Over: MAIN CANAL

0.7 MI S OF US 90 BUS., Jefferson, LA

Built 1986 Load: 28.5 t
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.