Terrebonne County, LA

215 public highway bridges

Terrebonne County Bridge Snapshot

Terrebonne County, Louisiana contains 215 public highway bridges in the FHWA National Bridge Inventory. Roughly 40.5% are rated “Good,” 42.8% “Fair,” 10.7% “Poor,” and 10.7% 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.

215
Total Bridges
40.5%
Good
10.7%
Poor
10.7%
Structurally Deficient

Condition Distribution

Good
40.5% (87)
Fair
42.8% (92)
Poor
10.7% (23)
SD
10.7% (23)

All Bridges (215)

US0090

Fair

Over: DRAINAGE CANAL NO 2

1.30 MI E OF LA 311, Terrebonne, LA

Built 1987 Load: 43.5 t ADT: 8,789

US0090

Fair

Over: DRAINAGE CANAL NO 2

1.30 MI E OF LA 311, Terrebonne, LA

Built 1987 Load: 43.5 t ADT: 11,661

LA0660

Fair

Over: DRAIN CANAL

1.0 MI. WEST OF LA 3087, Terrebonne, LA

Built 2010 Load: 43.7 t ADT: 10,321

Williams Ave

Fair

Over: DRAIN CANAL

HOLLYWOOD RD AT WILLIAMS, Terrebonne, LA

Built 2004 Load: 45.0 t ADT: 6,696

LA3087

Fair

Over: BAYOU BLUE

2 MILES EAST OF LA 182, Terrebonne, LA

Built 1988 Load: 74.5 t ADT: 13,617

DUPLANTIS BRIDGE

Good

Over: PETIT CAILLOU BAYOU

0144 LOG MI FROM IN, Terrebonne, LA

Built 1973 Load: 16.8 t ADT: 5,180

COUNTRY DR

Good

Over: BAYOU TERREBONNE

0.02 MI S. OF LA 24, Terrebonne, LA

Built 2013 Load: 18.5 t ADT: 2,390

Busnell Rd

Good

Over: Bayou Petit Gaillou

0013 LOG MI FROM INT 001, Terrebonne, LA

Built 1986 Load: 20.1 t ADT: 1,012

LA0660

Good

Over: ST LOUIS CANAL

3.0 MI NORTH OF LA 24, Terrebonne, LA

Built 1958 Load: 20.4 t ADT: 10,321

LA0182

Good

Over: ELLIOT JONES CANAL

7.07 MI EAST OF LA 20, Terrebonne, LA

Built 1952 Load: 20.9 t ADT: 3,687

LA0182

Good

Over: DRAIN CANAL

4.4 MI WEST OF LA 315, Terrebonne, LA

Built 1952 Load: 20.9 t ADT: 3,687

WESTSIDE BLVD

Good

Over: TERREBONNE BAYOU

0.1 MI. E. OF LA 24, Terrebonne, LA

Built 1974 Load: 21.4 t ADT: 5,322

US0090

Good

Over: BAYOU TERREBONNE

.2 MI EAST OF LA 24, Terrebonne, LA

Built 1980 Load: 21.4 t ADT: 2,280

Waterplant Rd

Good

Over: DEVIL SWAMP CANAL

03.15 MI FROM LA 24, Terrebonne, LA

Built 1986 Load: 21.4 t ADT: 1,958

LA0024

Good

Over: BAYOU CANE

LA0024, Terrebonne, LA

Built 1960 Load: 23.0 t ADT: 23,871

LA0024

Good

Over: TERREBONNE BAYOU

LOGMI 04.69-LA 24 SPUR, Terrebonne, LA

Built 1981 Load: 25.4 t ADT: 259

LA0024

Good

Over: BAYOU TERREBONNE

LA0024, Terrebonne, LA

Built 1974 Load: 25.9 t ADT: 312

US0090

Good

Over: BAYOU TERREBONNE

.2 MI EAST OF LA 24, Terrebonne, LA

Built 1980 Load: 26.3 t ADT: 12,192

LA0024

Good

Over: INTRACOASTAL WATERWAY

.03 MI. FROM US 90, Terrebonne, LA

Built 1996 Load: 27.2 t ADT: 29,371

LA0024

Good

Over: INTERCOASTAL WATERWAY

.03 MI EAST OF US 90, Terrebonne, LA

Built 1996 Load: 27.2 t ADT: 20,358

Texas Gulf Rd.

Good

Over: DRAIN CANAL

0.5 MI. N. OF LA 24, Terrebonne, LA

Built 2009 Load: 28.2 t ADT: 1,054

LIBERTY ST BRIDGE

Good

Over: BAYOU TERREBONNE

0.2 MI E OF LA 182, Terrebonne, LA

Built 1994 Load: 32.4 t ADT: 14,700

LA0311

Good

Over: LITTLE BAYOU BLACK

1.15 MI SOUTH OF LA 312, Terrebonne, LA

Built 1951 Load: 32.4 t ADT: 11,582

ARAGON RD

Good

Over: DRAIN CANAL

.35 MI NORTH OF LA 58, Terrebonne, LA

Built 1972 Load: 32.4 t ADT: 1,556

LA0055

Good

Over: HUMBLE CANAL

4.8 MI SOUTH OF LA 58, Terrebonne, LA

Built 1998 Load: 32.7 t ADT: 280

US0090

Good

Over: DRAINAGE CANAL

1.35 MI EAST OF LA 662, Terrebonne, LA

Built 1998 Load: 32.7 t ADT: 4,014

US0090

Good

Over: DRAINAGE CANAL

1.35 MI EAST OF LA 662, Terrebonne, LA

Built 1998 Load: 32.7 t ADT: 3,007

US0090

Good

Over: CHACAHOULA BAYOU

3.35 MI EAST OF LA 662, Terrebonne, LA

Built 1998 Load: 32.7 t ADT: 4,014

US0090

Good

Over: CHACAHOULA BAYOU

3.35 MI EAST OF LA 662, Terrebonne, LA

Built 1998 Load: 32.7 t ADT: 3,007

US0090

Good

Over: DEADWOOD RD, TIGER BAYOU

.02 MI EAST OF LA 3052, Terrebonne, LA

Built 1994 Load: 32.7 t ADT: 3,007

HOLLYWOOD RD

Good

Over: B TERREBONNE

0.6 MI N OF LA 664, Terrebonne, LA

Built 1976 Load: 33.6 t ADT: 15,540

US0090

Good

Over: SWAMP

.09 MI EAST OF LA 3052, Terrebonne, LA

Built 1994 Load: 33.6 t ADT: 3,007

US0090

Good

Over: ONRAMP TO 90 FROM 311

0.14 MI W OF LA 311, Terrebonne, LA

Built 1987 Load: 33.6 t ADT: 12,192

US0090

Good

Over: OFFRAMP FROM 90 TO 311

0.12 MI W OF LA 311, Terrebonne, LA

Built 1987 Load: 33.6 t ADT: 12,192

LA0020

Good

Over: TIGER BAYOU

0.6 MI E OF LA 182, Terrebonne, LA

Built 1984 Load: 35.0 t ADT: 2,471

LA0020

Good

Over: CANAL

1.6 M E OF LA 182, Terrebonne, LA

Built 1984 Load: 35.0 t ADT: 2,471

LA0020

Good

Over: DRAINAGE CANAL

9.3 MI E OF LA 182, Terrebonne, LA

Built 1984 Load: 35.0 t ADT: 3,696

US0090

Good

Over: TIGER BAYOU

3.95 MI EAST OF LA 662, Terrebonne, LA

Built 1998 Load: 35.0 t ADT: 4,014

US0090

Good

Over: SWAMP

.1 MI. FROM LA. 20, Terrebonne, LA

Built 1995 Load: 35.4 t ADT: 2,629

LA0655

Good

Over: ISLE JEAN CHARLES CANAL

8.51 MI S OF LA 55, Terrebonne, LA

Built 1988 Load: 36.3 t ADT: 2,337

SOUTHDOWN MANDALAY

Good

Over: COULEE CANAL

5 MILES WEST OF LA 316, Terrebonne, LA

Built 2007 Load: 37.3 t ADT: 1,392

THOMPSON RD

Good

Over: BAYOU PETIT CAILLOU

1.3 MI. E. OF LA 57, Terrebonne, LA

Built 2016 Load: 37.9 t ADT: 4,256

US0090

Good

Over: TIGER BAYOU

3.95 MI EAST OF LA 662, Terrebonne, LA

Built 1998 Load: 38.1 t ADT: 3,007

ST ELOI RD

Good

Over: DULARGE BAYOU

0.01 MI W OF LA 315, Terrebonne, LA

Built 2013 Load: 38.2 t ADT: 1,177

LA0664

Good

Over: BAYOU TERREBONNE

.01 MILE NORTH OF LA 24, Terrebonne, LA

Built 2011 Load: 38.6 t ADT: 5,593

LA0182

Good

Over: ST. LOUIS CANAL

0.7 MI WEST OF LA 24, Terrebonne, LA

Built 2004 Load: 38.9 t ADT: 3,687

N. BAYOU BLACK DR.

Good

Over: DONNER CANAL

1.2 MI NW OF LA.20, Terrebonne, LA

Built 2017 Load: 39.0 t ADT: 1,256

BUQUET STREET

Good

Over: BAYOU TERREBONNE

0.01 MI E OF LA 24, Terrebonne, LA

Built 2017 Load: 39.0 t ADT: 4,724

LA0024

Good

Over: B TERREBONNE / AUTIN DR.

LA0024, Terrebonne, LA

Built 1974 Load: 39.0 t ADT: 259

LA0024

Good

Over: BAYOU TERREBONNE

LA0024, Terrebonne, LA

Built 1974 Load: 39.0 t ADT: 259

Related

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