Jefferson County, LA

379 public highway bridges

Jefferson County Bridge Snapshot

Jefferson County, Louisiana contains 379 public highway bridges in the FHWA National Bridge Inventory. Roughly 54.1% are rated “Good,” 28.2% “Fair,” 4.2% “Poor,” and 4.2% 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.

379
Total Bridges
54.1%
Good
4.2%
Poor
4.2%
Structurally Deficient

Condition Distribution

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

Related

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