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)

LA0937

Fair

Over: NEW RIVER

LA0937, Ascension, LA

Built 1962 Load: 27.2 t ADT: 1,313

LA0431

Fair

Over: SNELL'S CANAL

0.17 MI. N. OF LA 621, Ascension, LA

Built 1997 Load: 28.5 t ADT: 9,608

Rondinaud Ln

Fair

Over: BAYOU LAFOURCHE

DONALDSONVILLE, Ascension, LA

Built 1970 Load: 28.5 t ADT: 150

LA0941

Fair

Over: BAYOU CONWAY

1.4 M North of I-10, Ascension, LA

Built 1966 Load: 29.0 t ADT: 2,750

W Robert Wilson Rd

Fair

Over: DRAINAGE BAYOU

0.26 MILES NORTH OF LA.30, Ascension, LA

Built 2016 Load: 30.1 t ADT: 120

Patty Jo Ln

Fair

Over: BLACK BAYOU

0.1 MI SE OF ASCEN. 929, Ascension, LA

Built 1965 Load: 30.1 t ADT: 20

LA0042

Fair

Over: BAYOU VILLAR

0.09 M SE of LA 42&LA 431, Ascension, LA

Built 1984 Load: 30.8 t ADT: 13,122

I0010

Fair

Over: SMITH BAYOU

1.17 M West of LA 30, Ascension, LA

Built 1975 Load: 31.1 t ADT: 60,802

I0010

Fair

Over: SMITH BAYOU

I0010, Ascension, LA

Built 1975 Load: 31.1 t ADT: 25,735

US0061

Fair

Over: CANAL DRAIN

3 MI N INTER US 61 &LA22, Ascension, LA

Built 1982 Load: 32.4 t ADT: 29,303

LA0001

Fair

Over: MCMANOR CANAL

5.8 M SE of LA 1&LA 69, Ascension, LA

Built 1935 Load: 32.4 t ADT: 7,858

LA0044

Fair

Over: DRAINAGE

ON LA 44 1.0 MI N. LA 931, Ascension, LA

Built 1999 Load: 32.4 t ADT: 12,382

LA0030

Fair

Over: STREAM

0.4 M W of LA 30&LA 3251, Ascension, LA

Built 1968 Load: 32.4 t ADT: 16,790

I0010

Fair

Over: DRAIN

0.6 M S of I-10&LA 30, Ascension, LA

Built 1975 Load: 32.4 t ADT: 60,802

I0010

Fair

Over: BOYLE BAYOU

1.3 M S of I-10&LA 30, Ascension, LA

Built 1979 Load: 32.4 t ADT: 60,802

I0010

Fair

Over: HACKETT CANAL

1.2 M SE of I-10&LA 44, Ascension, LA

Built 1979 Load: 32.4 t ADT: 57,444

LA0928

Fair

Over: JIM BAYOU

0.8 M W of I-10&LA 73, Ascension, LA

Built 1966 Load: 32.4 t ADT: 5,446

Babin Rd

Fair

Over: GRAND GOUDINE BAYOU

0.5 M N of LA 74, Ascension, LA

Built 1970 Load: 32.7 t ADT: 500

Haydel Rd

Fair

Over: DRAIN BAYOU

3 MI.SW LA22,LA22,LA44 JC, Ascension, LA

Built 1997 Load: 33.6 t ADT: 50

I0010

Fair

Over: BAYOU CONWAY

0.3M SE JCT I-10 & LA 44, Ascension, LA

Built 1969 Load: 34.0 t ADT: 49,274

I0010

Fair

Over: BAYOU CONWAY

0.3M SE JCT I-10 & LA 44, Ascension, LA

Built 1969 Load: 34.0 t ADT: 21,372

I0010

Fair

Over: BAYOU CONWAY

0.3 M SE of LA 44, Ascension, LA

Built 1979 Load: 34.7 t ADT: 25,735

I0010

Fair

Over: BAYOU CONWAY

0.3 M SE of LA 44, Ascension, LA

Built 1979 Load: 36.0 t ADT: 57,444

LA0431

Fair

Over: LAKE VILLAR

0.92 MI S of LA 42, Ascension, LA

Built 1983 Load: 36.3 t ADT: 9,608

Germany Rd

Fair

Over: BAYOU BLACK

2.8 MI. S. LITTLE PRAIRIE, Ascension, LA

Built 2000 Load: 36.6 t ADT: 750

I0010

Fair

Over: BAYOU MANCHAC

I0010, Ascension, LA

Built 1970 Load: 36.9 t ADT: 45,150

I0010

Fair

Over: BAYOU MANCHAC

I0010, Ascension, LA

Built 1970 Load: 36.9 t ADT: 45,150

LA0042

Fair

Over: AMITE RIVER RELIEF

0.7 Mi. E of LA 933, Ascension, LA

Built 2011 Load: 37.3 t ADT: 8,186

I0010

Fair

Over: DRAINAGE CANAL

1.9 Mi W of LA 22, Ascension, LA

Built 1979 Load: 37.3 t ADT: 25,735

LA0022

Fair

Over: BAYOU CONWAY

0.1 M NORTH I-10 & LA 22, Ascension, LA

Built 1990 Load: 38.6 t ADT: 11,127

LA0070

Fair

Over: BAYOU VERRETTE

0.2 M E of LA 70&LA 3120, Ascension, LA

Built 1972 Load: 39.9 t ADT: 15,051

New River Canal Rd

Fair

Over: DRAINAGE BAYOU

1.3 MI. S. DUTCHTOWN, Ascension, LA

Built 2001 Load: 40.5 t ADT: 100

LA0044

Fair

Over: BAYOU NARCISSE

700 FT. N. JCT. US 61, Ascension, LA

Built 1985 Load: 40.8 t ADT: 17,577

LA0044

Fair

Over: BAYOU CALBASSE

500 FT. S. JCT. LA 621, Ascension, LA

Built 1985 Load: 40.8 t ADT: 17,577

LA0022

Fair

Over: BAYOU CONWAY

0.1 M NORTH I-10 & LA 22, Ascension, LA

Built 1990 Load: 40.8 t ADT: 17,134

LA0070

Fair

Over: BAYOU VERRETTE

0.2 M E of LA 70&LA 3120, Ascension, LA

Built 1964 Load: 40.8 t ADT: 15,589

LA0044

Fair

Over: CONWAY BAYOU

LA 44 @ I-10, Ascension, LA

Built 1974 Load: 41.7 t ADT: 13,914

LA0044

Fair

Over: CONWAY BAYOU

LA 44 @ I-10, Ascension, LA

Built 1978 Load: 41.7 t ADT: 13,542

LA0070

Fair

Over: PANAMA CANAL

LA3089, Ascension, LA

Built 1966 Load: 43.5 t ADT: 24,210

George Lambert Rd

Fair

Over: NEW RIVER

46 Ft N Of LA 429, Ascension, LA

Built 1984 Load: 45.0 t ADT: 300

I0010

Fair

Over: PANAMA CANAL

I0010, Ascension, LA

Built 1975 Load: 48.1 t ADT: 21,372

Denver Hurst Rd

Fair

Over: BAYOU CONWAY

1.3 MI SW-LA30, US 61 JCT, Ascension, LA

Built 1998 Load: 52.6 t ADT: 50

Churchpoint Rd

Fair

Over: BLACK BAYOU

2 MI N. LA 30, US 61 JCT., Ascension, LA

Built 2000 Load: 53.5 t ADT: 1,200

E John Templet Rd

Fair

Over: NEW RIVER CANAL

0.01 MI. N OF LA 429, Ascension, LA

Built 2001 Load: 54.4 t ADT: 25

George Lambert Rd

Fair

Over: BLACK BAYOU

0.5 M N OF LA 429, Ascension, LA

Built 2000 Load: 54.4 t ADT: 300

Denham Rd

Fair

Over: NEW RIVER CANAL

1.4 MI. N-LA30 US61 JCT., Ascension, LA

Built 2000 Load: 54.4 t ADT: 100

River Highlands Dr

Fair

Over: BAYOU PIERRE

1.1 MI. SE. OF LA 22, Ascension, LA

Built 1998 Load: 54.4 t ADT: 100

Cannon Rd

Fair

Over: BAYOU BLACK

1.6 ME. NE LA44,US61 JCT., Ascension, LA

Built 2000 Load: 54.4 t ADT: 200

I0010

Fair

Over: DRAIN

2.5 M N of I-10&LA 73, Ascension, LA

Built 1975 Load: 56.1 t ADT: 25,735

I0010

Fair

Over: DRAIN

2.5 M N of I-10&LA 73, Ascension, LA

Built 1975 Load: 57.3 t ADT: 60,802

Related

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