Assumption County, LA

68 public highway bridges

Assumption County Bridge Snapshot

Assumption County, Louisiana contains 68 public highway bridges in the FHWA National Bridge Inventory. Roughly 44.1% are rated “Good,” 38.2% “Fair,” 8.8% “Poor,” and 8.8% 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.

68
Total Bridges
44.1%
Good
8.8%
Poor
8.8%
Structurally Deficient

Condition Distribution

Good
44.1% (30)
Fair
38.2% (26)
Poor
8.8% (6)
SD
8.8% (6)

All Bridges (68)

LA0663

Good

Over: L'OURSE BAYOU

0.1 MILE EAST OF LA. 662, Assumption, LA

Built 2015 Load: 33.4 t ADT: 96

LA0070

Good

Over: LIT BAU PIERRE PA

LA0070, Assumption, LA

Built 1960 Load: 36.3 t ADT: 6,842

LA 400

Good

Over: CANCIENNE CANAL

4.2 MILES NORTHWEST OF LA, Assumption, LA

Built 2013 Load: 37.6 t ADT: 384

Hardtime Rd

Good

Over: CANCIENNE CANAL

3 MILES SOUTH OF NAPOLEON, Assumption, LA

Built 2006 Load: 38.9 t ADT: 60

LA1012

Good

Over: HIMALAYA CANAL

1.5 MILES SOUTH OF LA 101, Assumption, LA

Built 2014 Load: 46.3 t ADT: 96

US0090

Good

Over: DRAIN

0.2 MI E of LA 662, Assumption, LA

Built 2006 Load: 46.3 t ADT: 3,440

LA0182

Good

Over: BAYOU CAROLINE

0.7 Miles E of US90 Bus, Assumption, LA

Built 2006 Load: 46.3 t ADT: 3,905

LA0182

Good

Over: ALLIGATOR BAYOU

1.3 MI E of US 90 BUS, Assumption, LA

Built 2006 Load: 46.3 t ADT: 3,905

LA0182

Good

Over: ALLIGATOR BAYOU RELIEF

1.3 Miles W of LA 662, Assumption, LA

Built 2006 Load: 46.3 t ADT: 3,905

LA0662

Good

Over: PUMPING STATION BRIDGE

2.04 MI N OF END OF LA662, Assumption, LA

Built 1998 Load: 48.1 t ADT: 2,905

St Vincent Rd

Good

Over: SAINT VINCENT BAYOU

0.4 MI S OF LA 402, Assumption, LA

Built 2015 Load: 48.3 t ADT: 96

Bayou Crab Rd

Good

Over: Norman Canal

0.8 Mi. E. of LA 401, Assumption, LA

Built 2022 Load: 51.8 t ADT: 316

LA1010

Poor

Over: LABADIEVILLE DRAIN 2

0.7 Mi. N of LA 398, Assumption, LA

Built 1980 Load: 13.0 t ADT: 111

LA0070

Poor

Over: PIERRE PASS

3.0 MILES N. OF LA 101, Assumption, LA

Built 1967 Load: 14.9 t ADT: 5,560

LA1014

Poor

Over: VALANCE DRAINAGE CANAL

3.3 Mi. E of LA 308, Assumption, LA

Built 1974 Load: 21.7 t ADT: 304

Rue De Kajun

Poor

Over: BAYOU

.40 MI. WEST LA 70, Assumption, LA

Built 1999 Load: 27.2 t ADT: 192

Bayou Boeuf Rd

Structurally Deficient

Over: DRAINAGE CANAL

0.5 Mi. N. of US 90, Assumption, LA

Built 1950 ADT: 4

LA0308

Structurally Deficient

Over: HALWAY CANAL

4.3 M N of LA 70, Assumption, LA

Built 1969 Load: 12.3 t ADT: 1,825

Related

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