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)

LA0429

Good

Over: DUTCHTOWN DRAIN

1.9 M NE of LA 30&LA 73, Ascension, LA

Built 1957 Load: 20.9 t ADT: 9,071

LA0022

Good

Over: NEW RIVER CANAL

LA0022, Ascension, LA

Built 1959 Load: 20.9 t ADT: 11,980

LA0022

Good

Over: PIERRES DRAINAGE

1.0 M SW of LA 22&LA 16, Ascension, LA

Built 1960 Load: 20.9 t ADT: 8,068

LA0939

Good

Over: BAYOU FRANCOIS

0.8 M SE of US 61, Ascension, LA

Built 1962 Load: 20.9 t ADT: 8,203

Roddy Rd

Good

Over: BERT ALLEN DITCH

0.3 MILES NORTH OF JCT LA, Ascension, LA

Built 2009 Load: 21.4 t ADT: 1,200

US0061

Good

Over: CONWAY CANAL

US0061, Ascension, LA

Built 1954 Load: 22.7 t ADT: 8,171

US0061

Good

Over: AIRLINE DRAINAGE

3.2 M SE of US 61&LA 22, Ascension, LA

Built 1954 Load: 22.7 t ADT: 8,171

US0061

Good

Over: AIRLINE DRAINAGE

1.7 M SE of US 61&LA 22, Ascension, LA

Built 1954 Load: 22.7 t ADT: 8,171

US0061

Good

Over: CANAL

1 M SE of US 61&LA 22, Ascension, LA

Built 1954 Load: 22.7 t ADT: 8,171

E Douglas St

Good

Over: DRAINAGE BAYOU

.10 MILES SOUTH LA 3038, Ascension, LA

Built 1995 Load: 22.7 t ADT: 20

LA0431

Good

Over: BAYOU FRANCOIS

LA0431, Ascension, LA

Built 1958 Load: 23.6 t ADT: 9,608

LA0931

Good

Over: BAYOU MILLET

1.3 M SW of LA 431&LA 931, Ascension, LA

Built 1963 Load: 23.6 t ADT: 4,000

LA0937

Good

Over: ANDERSON CANAL

1.8 M E of LA 22&LA 935, Ascension, LA

Built 1962 Load: 23.6 t ADT: 1,313

LA0933

Good

Over: RODDY BAYOU

0.9 Mi. S. of LA 42, Ascension, LA

Built 2007 Load: 24.0 t ADT: 6,131

W Worthy Rd

Good

Over: BAYOU FRANCOIS TRIB.

1.5 MILES WEST OF LA 44, Ascension, LA

Built 2007 Load: 28.2 t ADT: 120

Laurel Ridge Rd

Good

Over: BABIN CANAL

1.8 MI NE LA22-LA429 JCT, Ascension, LA

Built 1988 Load: 28.2 t ADT: 150

Penn Blvd

Good

Over: HENDERSON BAYOU

0.1 M N of LA933, Ascension, LA

Built 1992 Load: 29.2 t ADT: 60

Manchac Acres Rd

Good

Over: Muddy Cr

0.5 Mi. N. of LA 42, Ascension, LA

Built 2022 Load: 30.5 t ADT: 1,139

Churchpoint Rd

Good

Over: BAYOU NARCISSE

0.7 MI SE US61, LA44 JCT, Ascension, LA

Built 2000 Load: 30.8 t ADT: 1,200

Bon Terre Blvd

Good

Over: NEW RIVER BAYOU

1.5 MI E I-10-LA 429 JCT, Ascension, LA

Built 1988 Load: 31.1 t ADT: 75

Roddy Rd

Good

Over: BLACK BAYOU

1.3 MI NE LA 441 US 61JCT, Ascension, LA

Built 1984 Load: 31.4 t ADT: 500

Churchpoint Rd

Good

Over: BAYOU NARCISSE

1.6 MI. E LA44, US61 JCT., Ascension, LA

Built 2000 Load: 31.8 t ADT: 1,200

River Oaks Rd

Good

Over: Darain Bayou

0.3 Mi.N. of LA 73, Ascension, LA

Built 2020 Load: 32.4 t ADT: 30

LA00042

Good

Over: MUDDY CREEK

01.31 MI E OF LA 73, Ascension, LA

Built 2018 Load: 32.4 t ADT: 24,000

US0061

Good

Over: CANAL

0.62 M NW of US 61&LA 22, Ascension, LA

Built 1956 Load: 32.4 t ADT: 14,802

US0061

Good

Over: CANAL

1.2 M NW of US 61&LA 22, Ascension, LA

Built 1956 Load: 32.4 t ADT: 14,802

US0061

Good

Over: CANAL

0.23 M NW of US 61&LA 431, Ascension, LA

Built 1956 Load: 32.4 t ADT: 16,379

LA0044

Good

Over: BOYLE BAYOU

1.00 MI N JCT I-10, Ascension, LA

Built 1980 Load: 32.4 t ADT: 13,914

LA0030

Good

Over: CREEK

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

Built 1968 Load: 32.4 t ADT: 16,790

LA0070

Good

Over: STREAM

1.9 M S of LA 70&LA 22, Ascension, LA

Built 1966 Load: 32.4 t ADT: 24,210

LA0070

Good

Over: STREAM

0.7 M S of LA 70&LA 22, Ascension, LA

Built 1966 Load: 32.4 t ADT: 24,210

I0010

Good

Over: DRAIN

0.2 M S of I-10&LA 74, Ascension, LA

Built 1975 Load: 32.4 t ADT: 60,802

I0010

Good

Over: DRAIN

0.5 M S of I-10&LA 74, Ascension, LA

Built 1975 Load: 32.4 t ADT: 60,802

I0010

Good

Over: DRAIN

1.4 M N of LA 30, Ascension, LA

Built 1975 Load: 32.4 t ADT: 60,802

I0010

Good

Over: DRAIN

1.4 M N of I-10&LA 30, Ascension, LA

Built 1975 Load: 32.4 t ADT: 25,735

I0010

Good

Over: CANAL

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

Built 1975 Load: 32.4 t ADT: 25,735

I0010

Good

Over: HACKETT CANAL

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

Built 1979 Load: 32.4 t ADT: 25,735

I0010

Good

Over: CANAL

0.4 M E of I-10&US 61, Ascension, LA

Built 1969 Load: 32.4 t ADT: 49,274

Spellman Rd

Good

Over: DRAINAGE DITCH

1.5 MI S DUTCHTOWN, Ascension, LA

Built 1988 Load: 32.4 t ADT: 25

Merritt Evans Rd

Good

Over: DRAIN BAYOU

0.7 MI. SE OF LA 44, Ascension, LA

Built 2006 Load: 32.4 t ADT: 250

S Hodgeson Rd

Good

Over: BAYOU CONWAY

0.9 Mi S of LA 30, Ascension, LA

Built 1997 Load: 32.7 t ADT: 150

Aymond Rd

Good

Over: NEW RIVER

2.5 MI NE OF SORRENTO, Ascension, LA

Built 1998 Load: 32.7 t ADT: 25

South Irma Blvd

Good

Over: BAYOU FRANCOIS

0.5 Mi N of LA 939, Ascension, LA

Built 2003 Load: 32.7 t ADT: 1,200

South Irma Blvd

Good

Over: BAYOU FRANCOIS

0.5 Mi N of LA 939, Ascension, LA

Built 2003 Load: 32.7 t ADT: 1,200

I0010

Good

Over: OFF RP TO S US61

I0010, Ascension, LA

Built 1975 Load: 33.6 t ADT: 5,341

N Bryan Ave

Good

Over: NEW RIVER BAYOU

0.5 MILE S. US 61, Ascension, LA

Built 1986 Load: 34.0 t ADT: 25

US0061

Good

Over: BAYOU FRANCOIS

0.85 M SE of US 61&LA 429, Ascension, LA

Built 1976 Load: 34.5 t ADT: 16,379

US0061

Good

Over: NEW RIVER

0.03 M NW of US 61&LA 429, Ascension, LA

Built 1976 Load: 34.5 t ADT: 24,014

Rountree Rd

Good

Over: NEW RIVER

0.2 OF A MILE NORTH OF LA, Ascension, LA

Built 2013 Load: 35.0 t ADT: 5

I0010

Good

Over: NEW RIVER

0.01 Mi S of LA 429, Ascension, LA

Built 1975 Load: 35.4 t ADT: 555

Related

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