Ascension County, LA

216 public highway bridges

Ascension County Bridge Snapshot

Ascension County, Louisiana contains 216 public highway bridges in the FHWA National Bridge Inventory. Roughly 40.7% are rated “Good,” 38.4% “Fair,” 13% “Poor,” and 13% 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.

216
Total Bridges
40.7%
Good
13%
Poor
13%
Structurally Deficient

Condition Distribution

Good
40.7% (88)
Fair
38.4% (83)
Poor
13% (28)
SD
13% (28)

All Bridges (216)

LA0074

Unknown

Over: I-10

1.9 Mi. E of LA 928, Ascension, LA

ADT: 72,002

I0010

Unknown

Over: LA 73

6.0 Mi. E. of LA 42, Ascension, LA

Built 1975 ADT: 14,894

I0010

Unknown

Over: LA 73

4.7 Mi. W. of LA 30, Ascension, LA

ADT: 14,894

I0010

Unknown

Over: LA429/Cornerview Rd

2.2 Mi. E. of LA 73, Ascension, LA

Built 1957 ADT: 6,587

I0010

Unknown

Over: I-10 OVER LA429/NEW RIVE

I0010, Ascension, LA

Built 1957 ADT: 4,300

I0010

Unknown

Over: I-10 OVER LA 30

I0010, Ascension, LA

ADT: 9,200

I0010

Unknown

Over: I-10 OVER LA 30

I0010, Ascension, LA

ADT: 13,300

I0010

Unknown

Over: I-10 OVER LA 44

JCT LA 44 & I-10, Ascension, LA

ADT: 13,700

I0010

Unknown

Over: I-10 OVER LA 44

JCT LA 44 & I-10, Ascension, LA

ADT: 13,700

I0010

Unknown

Over: I-10 OVER LA 22

2.9 Mi. E. of LA 44, Ascension, LA

ADT: 22,401

I0010

Unknown

Over: I-10 OVER LA 22

JCT LA 22 & I-10, Ascension, LA

ADT: 22,401

I0010

Unknown

Over: US 61 & KCS RR

JCT of I-10 & US 61, Ascension, LA

ADT: 9,800

I0010

Unknown

Over: US 61 & KCS RR

JCT of I-10 & US 61, Ascension, LA

ADT: 9,800

I0010

Unknown

Over: ON RP FR S US61 TO E I10

0.08 M S of I-10&US 61, Ascension, LA

ADT: 13,700

I0010

Unknown

Over: I0010

9.1 MI NW of LA 641, Ascension, LA

ADT: 4,280

LA0928

Unknown

Over: LA 928 OVER I-10

I0010, Ascension, LA

ADT: 79,453

LA0941

Unknown

Over: I-10

JCT of I-10 & LA 941, Ascension, LA

Jo Boy Rd

Fair

Over: HENDERSON BAYOU

.5 MI NE LA 44 LA 933 JCT, Ascension, LA

Built 1984 Load: 8.7 t ADT: 100

Bert Allen Rd

Fair

Over: DRAINAGE BAYOU

0.4 M N of LA 621, Ascension, LA

Built 1969 Load: 15.2 t ADT: 100

John Savoy Rd

Fair

Over: NEW RIVER

0.2 MI N OF LA 22, Ascension, LA

Built 1960 Load: 15.4 t ADT: 40

N Robert Wilson Rd

Fair

Over: SMITH BAYOU

2.9 MI SE DUTCHTOWN, Ascension, LA

Built 1973 Load: 15.9 t ADT: 120

Moise Rd

Fair

Over: New River

0.01 Mi E of LA 429, Ascension, LA

Built 2000 Load: 16.3 t ADT: 10

Beco Rd

Fair

Over: NEW RIVER CANAL

0.7M NE JCT US 61 & LA 30, Ascension, LA

Built 1991 Load: 17.2 t ADT: 500

Buxton Rd

Fair

Over: NEW RIVER

112 Ft N Of LA 429, Ascension, LA

Built 1979 Load: 17.5 t ADT: 100

S Purpera Ave

Fair

Over: FRANCOIS LAT

0.04 Mi. N. of LA 30, Ascension, LA

Built 1976 Load: 17.8 t ADT: 750

US0061

Fair

Over: NEW RIVER

50 Ft N of LA 429, Ascension, LA

Built 1956 Load: 18.1 t ADT: 29,303

Cannon Rd

Fair

Over: DRAINAGE BAYOU

2.4 MI NE LA 44, US 61JCT, Ascension, LA

Built 1984 Load: 18.1 t ADT: 200

Beco Rd

Fair

Over: Babin Canal

0.44 Mi. N. of LA 935, Ascension, LA

Built 1979 Load: 18.5 t ADT: 1,336

LA0429

Fair

Over: SMITH BAYOU

1.6 M W of LA 44, Ascension, LA

Built 1969 Load: 18.8 t ADT: 9,071

Roddy Rd

Fair

Over: BAYOU NARCISSE

.7 MI.NE-LA 3030,US61 JCT, Ascension, LA

Built 1994 Load: 18.8 t ADT: 500

Ott Ln

Fair

Over: BAYOU BLACK

.08 MI S INTER CANNON RD, Ascension, LA

Built 1977 Load: 18.8 t ADT: 20

LA0429

Fair

Over: NEW RIVER

LA0429, Ascension, LA

Built 1957 Load: 19.1 t ADT: 9,071

LA0621

Fair

Over: BLACK BAYOU CANAL

0.6 M E of US 61, Ascension, LA

Built 1967 Load: 19.1 t ADT: 7,519

Causey Rd

Fair

Over: BLACK BAYOU

2.2 MI.E.OF PRAIRIEV, Ascension, LA

Built 1973 Load: 19.4 t ADT: 500

LA0935

Fair

Over: Black Bayou

1.7 Mi. N. of LA 22, Ascension, LA

Built 1960 Load: 19.8 t ADT: 1,790

Stevenson Rd

Fair

Over: DRAINAGE BAYOU

1.1 MI S DUTCHTOWN, Ascension, LA

Built 1970 Load: 20.1 t ADT: 400

LA0073

Fair

Over: NEW RIVER

LA0073, Ascension, LA

Built 1957 Load: 20.7 t ADT: 7,929

LA0022

Fair

Over: BAYOU FRANCOIS

LA0022, Ascension, LA

Built 1954 Load: 20.9 t ADT: 9,674

LA0022

Fair

Over: DENHAM CANAL

LA0022, Ascension, LA

Built 1959 Load: 20.9 t ADT: 11,980

LA0022

Fair

Over: LITTLE LAKE RELIEF

1.8 Mi. E. of LA 937, Ascension, LA

Built 1959 Load: 20.9 t ADT: 11,980

LA0074

Fair

Over: GRAND GOUDINE

1.4 M W of US 61&LA 47, Ascension, LA

Built 1955 Load: 21.1 t ADT: 13,875

N Marchand Ave

Fair

Over: NEW RIVER

GONZALES .2 MI WEST LA 44, Ascension, LA

Built 1996 Load: 21.4 t ADT: 10

Louis White Rd

Fair

Over: DRAINAGE BAYOU

1.2 MI SW DUTCHTOWN, Ascension, LA

Built 1989 Load: 21.5 t ADT: 10

Savoy Rd

Fair

Over: NEW RIVER

367 Ft N OF LA 429, Ascension, LA

Built 1975 Load: 21.7 t ADT: 50

Coco Rd

Fair

Over: DRAIN BAYOU

0.1 Mi N of LA 73, Ascension, LA

Built 2014 Load: 22.4 t ADT: 50

LA0935

Fair

Over: NEW RIVER CANAL

LA0935, Ascension, LA

Built 1960 Load: 23.6 t ADT: 1,790

LA0936

Fair

Over: NEELEY CANAL

1.5 M E of LA 936&LA 22, Ascension, LA

Built 1962 Load: 23.6 t ADT: 997

Chester Diez Rd

Fair

Over: NEW RIVER

0.2 MI E I-10,LA429, Ascension, LA

Built 1970 Load: 25.6 t ADT: 250

LA3251

Fair

Over: SMITH BAYOU

2.9 Mi NE of LA 75, Ascension, LA

Built 1969 Load: 25.9 t ADT: 4,016

LA0022

Fair

Over: PANAMA CANAL

0.6 M SW of LA 22&LA 70, Ascension, LA

Built 1950 Load: 26.3 t ADT: 22,576

Related

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