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)

LA0024

Good

Over: BAYOU TERREBONNE

LA0024, Terrebonne, LA

Built 1974 Load: 39.0 t ADT: 259

LA0182

Good

Over: BORROW CANAL

.01 MI EAST OF LA 662, Terrebonne, LA

Built 1993 Load: 39.0 t ADT: 3,905

MAYFIELD RD

Good

Over: COULEE CANAL

1.0 MI. N. OF LA 3011, Terrebonne, LA

Built 2018 Load: 39.2 t ADT: 128

US0090

Good

Over: SWAMP

.10 MI. FROM LA.20, Terrebonne, LA

Built 1995 Load: 39.9 t ADT: 2,629

US0090

Good

Over: SWAMP

.10 MI. FROM LA.20, Terrebonne, LA

Built 1995 Load: 39.9 t ADT: 2,629

S HOLLYWOOD RD

Good

Over: BAYOU BLACK

0.01 EAST OF LA 311, Terrebonne, LA

Built 1996 Load: 40.2 t ADT: 7,492

LA0020

Good

Over: DRAINAGE CANAL

7.1 MI E OF LA 182, Terrebonne, LA

Built 1984 Load: 40.8 t ADT: 3,696

BAYOU GARDENS BLVD

Good

Over: ST. LOUIS BAYOU

1.2 MI NE OF LA 660, Terrebonne, LA

Built 2017 Load: 41.5 t ADT: 6,028

LA3087

Good

Over: BAYOU TERRIBONE

LA 3087 BETWEEN JCT LA 24, Terrebonne, LA

Built 2013 Load: 42.1 t ADT: 13,617

S. HOLLYWOOD RD

Good

Over: DRAIN CANAL

1.2 MI S OF LA 311, Terrebonne, LA

Built 2018 Load: 45.4 t ADT: 1,570

GIBSON E BRIDGE

Good

Over: LITTLE BAYOU BLACK

0.01 MI N OF LA 182, Terrebonne, LA

Built 1996 Load: 45.7 t ADT: 557

LA0024

Good

Over: BAYOU TERREBONNE

02550650400321, Terrebonne, LA

Built 1978 Load: 46.3 t ADT: 3,919

Caroll St

Good

Over: Black Bayou

0.1 Mi. S. of LA 20, Terrebonne, LA

Built 2020 Load: 47.0 t ADT: 1,929

ENTERPRISE DR

Good

Over: LITTLE BAYOU BLACK

0.2 MILE NORTH EAST OF LA, Terrebonne, LA

Built 2012 Load: 47.3 t ADT: 5,909

ENTERPRISE DR.

Good

Over: LITTLE BAYOU BLACK

0.2 MILE NORTH EAST OF LA, Terrebonne, LA

Built 2012 Load: 47.3 t ADT: 5,909

N. Bayou Black Rd

Good

Over: Hanson Canal

0.1 MI NW OF LA 182, Terrebonne, LA

Built 2021 Load: 49.9 t ADT: 9,159

POLK ST

Good

Over: LITTLE BAYOU BLACK

0.01 MI S of LA 311, Terrebonne, LA

Built 2020 Load: 53.1 t ADT: 3,645

LA3011

Good

Over: SALE BAYOU

.01 MI WEST OF LA 57, Terrebonne, LA

Built 2018 Load: 55.1 t ADT: 841

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 60.6 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 62.9 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

2.95 NORTH OF LA 660, Terrebonne, LA

Built 1990 Load: 64.2 t ADT: 258

NORTH EAGLE DR.

Good

Over: DRAIN CANAL

0.25 MI. S. OF BAYOU GARD, Terrebonne, LA

Built 1980 Load: 73.9 t ADT: 156

LA0660

Good

Over: BAYOU TERREBONNE

2.0 MI S OF US 90, Terrebonne, LA

Built 2019 Load: 74.5 t ADT: 10,321

LA0024

Good

Over: BAYOU TERREBONNE

1.45 MI. S. OF LA 660, Terrebonne, LA

Built 1998 Load: 74.5 t ADT: 22,400

US0090

Good

Over: DRAIN CANAL

ONE MILE EAST OF LA 24, Terrebonne, LA

Built 1980 Load: 74.5 t ADT: 12,998

US0090

Good

Over: BAYOU BLUE

.5 MILES SOUTH US 90, Terrebonne, LA

Built 1985 Load: 74.5 t ADT: 2,230

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 258

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 4,583

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 280

LA0024

Good

Over: BAYOU TERREBONNE

0.01 M W OF LA 659, Terrebonne, LA

Built 1990 Load: 74.5 t ADT: 280

LA0316

Good

Over: BAYOU TERREBONNE

.01 MI. @ LA.24, Terrebonne, LA

Built 1996 Load: 74.5 t ADT: 7,165

US0090

Good

Over: L'OURSE BAYOU

0.02 MI E OF LA 662, Terrebonne, LA

Built 1998 Load: 74.5 t ADT: 2,629

US0090

Good

Over: L'OURSE BAYOU

0.42 MI N OF US 90 WB, Terrebonne, LA

Built 1998 Load: 74.5 t ADT: 2,629

GRAND CAILLOU RD

Poor

Over: PLATT BAYOU

0119 LOG MI FROM IN, Terrebonne, LA

Built 1978 Load: 8.7 t ADT: 128

BOBTOWN BRIDGE RD

Poor

Over: GRAND CAILLOU BAYOU

0.05 Mi W of La 57, Terrebonne, LA

Built 1960 Load: 10.7 t ADT: 2,395

Waterplant Rd.

Poor

Over: TERREBONNE BAYOU

0.01 E OF LA 24, Terrebonne, LA

Built 1959 Load: 11.0 t ADT: 280

LA0182

Poor

Over: BAYOU TERREBONNE

.1 MI EAST OF LA 24 WEST, Terrebonne, LA

Built 1968 Load: 14.6 t ADT: 9,001

SOUTH ST

Poor

Over: COULEE

0.004 MI W OF DEADWOOD RD, Terrebonne, LA

Built 1960 Load: 14.8 t ADT: 135

MOFFET RD

Poor

Over: CHAUVIN BAYOU

0057 LOG MI FROM IN, Terrebonne, LA

Built 1979 Load: 15.2 t ADT: 5,123

E WOODLAWN RANCH R

Poor

Over: GRAND CAILLOU BAYOU

0.2 MI E OF LA 57, Terrebonne, LA

Built 1980 Load: 16.5 t ADT: 4,278

Savanne Rd

Poor

Over: HANSON CANAL

00.82 N. of LA 182, Terrebonne, LA

Built 1967 Load: 16.5 t ADT: 2,200

Related

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