Ascension County, LA

216 public highway bridges

Ascension County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Ascension County, Louisiana contains 216 public highway bridges. Roughly 40.7% are rated “Good,” 38.4% “Fair,” and 13% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

216
Total Bridges
40.7%
Good
38.4%
Fair
13%
Poor Condition

Condition Distribution

Good
40.7% (88)
Fair
38.4% (83)
Poor
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
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.