Poor Condition Bridges in Louisiana
1,423 bridges rated Poor condition in Louisiana. FHWA National Bridge Inventory.
Bridges Rated Poor Condition
A bridge is rated Poor when one or more of its major components (deck, superstructure, or substructure) has a condition rating of 4 or below on the FHWA 0–9 scale. Poor condition does not mean imminent danger of collapse, but indicates significant deterioration requiring priority maintenance or replacement. There are 1,423 such bridges in Louisiana.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| CREEK | Louisiana | 1960 | 2,899 | 17.7 m | |
| MERMENTAU R./G.CHENIER | Louisiana | 1959 | 2,899 | 319.7 m | |
| CREEK | Louisiana | 1960 | 2,894 | 12.2 m | |
| BELLDEAU BAYOU | Louisiana | 1973 | 2,890 | 99.1 m | |
| GREYS CREEK | Louisiana | 1955 | 2,876 | 29.6 m | |
| CREEK | Louisiana | 1967 | 2,862 | 29.0 m | |
| FLAT BAYOU | Louisiana | 1980 | 2,861 | 18.0 m | |
| NORTH CHENIERE CR | Louisiana | 1958 | 2,828 | 23.8 m | |
| BAYOU DELEMAR | Louisiana | 1955 | 2,815 | 30.5 m | |
| WHITE BAYOU | Louisiana | 1970 | 2,794 | 29.6 m | |
| INDIAN BAYOU (SPOIL BANK | Louisiana | 1987 | 2,790 | 18.3 m | |
| BULL BRANCH | Louisiana | 1957 | 2,778 | 18.0 m | |
| CREEK | Louisiana | 1975 | 2,750 | 18.0 m | |
| BOEUF RIVER | Louisiana | 1958 | 2,747 | 115.8 m | |
| DINDE BAYOU | Louisiana | 1968 | 2,741 | 17.4 m | |
| COLEWA CREEK | Louisiana | 1953 | 2,725 | 73.8 m | |
| DRAIN | Louisiana | 1963 | 2,717 | 8.5 m | |
| BAYOU AMY | Louisiana | 1968 | 2,711 | 75.6 m | |
| CANEY CREEK | Louisiana | 1954 | 2,642 | 18.0 m | |
| FLAT RIVER | Louisiana | 1964 | 2,626 | 69.8 m | |
| DINDE BAYOU | Louisiana | 1945 | 2,625 | 219.5 m | |
| PALMETTO CREEK | Louisiana | 1973 | 2,614 | 29.0 m | |
| CREEK | Louisiana | 1979 | 2,595 | 11.6 m | |
| Blanc Bayou | Louisiana | 1967 | 2,592 | 34.7 m | |
| WHITE BAYOU | Louisiana | 1965 | 2,544 | 40.5 m | |
| BRUSHY BAYOU | Louisiana | 1975 | 2,520 | 17.4 m | |
| BAYOU TERREBONNE | Louisiana | 1979 | 2,503 | 29.0 m | |
| CORPORATION CANAL | Louisiana | 1960 | 2,500 | 16.2 m | |
| BAYOU DARBONNE RELIEF | Louisiana | 1952 | 2,487 | 85.0 m | |
| BAYOU DARBONNE | Louisiana | 1952 | 2,487 | 220.1 m | |
| KITCHEN CREEK | Louisiana | 1973 | 2,440 | 17.7 m | |
| FLAGON BAYOU | Louisiana | 1973 | 2,440 | 17.7 m | |
| FLAGON BAYOU | Louisiana | 1973 | 2,440 | 23.5 m | |
| I-20 | Louisiana | 1964 | 2,397 | 69.2 m | |
| S FORK CROSS B | Louisiana | 1965 | 2,397 | 46.3 m | |
| NORTHDALE CANAL | Louisiana | 1960 | 2,397 | 10.7 m | |
| GRAND CAILLOU BAYOU | Louisiana | 1960 | 2,395 | 48.2 m | |
| BLACK BAYOU | Louisiana | 1969 | 2,388 | 23.2 m | |
| BAYOU LAFOUCHE | Louisiana | 1953 | 2,382 | 146.9 m | |
| BAYOU LAFOURCHE | Louisiana | 1940 | 2,380 | 76.2 m | |
| FALGOUT CANAL | Louisiana | 1964 | 2,378 | 61.6 m | |
| ALLIGATOR BAYOU | Louisiana | 1936 | 2,376 | 49.4 m | |
| CLARKE BAYOU | Louisiana | 1930 | 2,376 | 33.2 m | |
| DRAINAGE CANAL | Louisiana | 1964 | 2,371 | 7.6 m | |
| DRAINAGE CANAL | Louisiana | 1964 | 2,371 | 10.7 m | |
| DRAINAGE DITCH | Louisiana | 1990 | 2,255 | 12.5 m | |
| LEATHERMAN CREEK | Louisiana | 1975 | 2,248 | 43.0 m | |
| STOWE CREEK | Louisiana | 1979 | 2,230 | 29.3 m | |
| CUT OFF BAYOU | Louisiana | 1971 | 2,222 | 23.2 m | |
| DARBONNE BAYOU | Louisiana | 1975 | 2,216 | 110.6 m |
About Poor Condition Bridge Ratings
FHWA rates bridge components on a 0–9 scale. A rating of 4 or below on any major component (deck, superstructure, substructure) classifies the bridge as Poor condition. The bridge remains open to traffic but requires priority attention. Bridges rated 0–2 are immediately closed.