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 |
|---|---|---|---|---|---|
| DRAINAGE CANAL | Louisiana | 1965 | 11,623 | 34.7 m | |
| BAYOU MANCHAC | Louisiana | 1972 | 11,384 | 34.7 m | |
| I-20 | Louisiana | 1965 | 11,342 | 109.4 m | |
| DRAIN | Louisiana | 1975 | 11,309 | 11.9 m | |
| WHITE BAYOU | Louisiana | 1951 | 11,198 | 81.1 m | |
| CANE RIVER | Louisiana | 1936 | 11,003 | 112.8 m | |
| BAYOU PLAQUEMINE | Louisiana | 1950 | 10,843 | 383.7 m | |
| JONES CREEK | Louisiana | 1960 | 10,543 | 35.4 m | |
| LITTLE TECHE BAYOU | Louisiana | 1962 | 10,487 | 37.2 m | |
| BAYOU CHOUPIQUE | Louisiana | 1978 | 10,148 | 36.6 m | |
| WAX LAKE OUTLET | Louisiana | 1975 | 10,035 | 397.2 m | |
| BAYOU RAMOS | Louisiana | 1994 | 10,035 | 2,550.9 m | |
| I-10/RAMPS | Louisiana | 1960 | 9,865 | 357.2 m | |
| KCS RR MINDEN | Louisiana | 1960 | 9,864 | 36.6 m | |
| CO CANAL LOCKPORT | Louisiana | 1959 | 9,831 | 125.0 m | |
| BATON ROUGE BAYOU | Louisiana | 1961 | 9,721 | 37.2 m | |
| LA0010 | Louisiana | 1989 | 9,668 | 150.9 m | |
| BAYOU MANCHAC | Louisiana | 1931 | 9,615 | 99.1 m | |
| NEW RIVER | Louisiana | 1982 | 9,608 | 17.4 m | |
| BLACK BAYOU | Louisiana | 1983 | 9,608 | 23.2 m | |
| VILLAR CANAL | Louisiana | 1971 | 9,608 | 17.7 m | |
| VILLAR DRAINAGE | Louisiana | 1971 | 9,608 | 17.4 m | |
| I-20 | Louisiana | 1963 | 9,385 | 81.4 m | |
| ENGLISH BAYOU | Louisiana | 1963 | 9,291 | 48.8 m | |
| DRAIN CANAL | Louisiana | 1959 | 9,183 | 24.1 m | |
| DORCHEAT RELIEF | Louisiana | 1954 | 9,109 | 73.5 m | |
| BAYOU DORCHEAT | Louisiana | 1954 | 9,109 | 86.0 m | |
| MILE CREEK | Louisiana | 1948 | 9,109 | 25.6 m | |
| DORCHEAT RELIEF | Louisiana | 1954 | 9,109 | 97.8 m | |
| HUBS BAYOU | Louisiana | 1972 | 9,104 | 23.2 m | |
| BAYOU TERREBONNE | Louisiana | 1968 | 9,001 | 29.0 m | |
| CONTRABAND BAYOU | Louisiana | 1957 | 8,942 | 23.2 m | |
| CHENIERE CREEK | Louisiana | 1970 | 8,694 | 114.3 m | |
| CREEK | Louisiana | 1961 | 8,669 | 11.9 m | |
| CO. CANAL (BOURG) | Louisiana | 1951 | 8,645 | 38.4 m | |
| Bayou Ile Des Cannes | Louisiana | 1956 | 8,559 | 11.3 m | |
| DRAINAGE CANAL | Louisiana | 1937 | 8,548 | 36.6 m | |
| COULEE | Louisiana | 1983 | 8,240 | 11.6 m | |
| BAYOU CHEVREVIL | Louisiana | 1959 | 8,204 | 106.4 m | |
| VALENTINE CANAL | Louisiana | 1964 | 8,181 | 34.7 m | |
| STEEP BAYOU | Louisiana | 1955 | 8,105 | 23.8 m | |
| BAYOU FATMA | Louisiana | 1980 | 8,000 | 40.5 m | |
| BAYOU RAMOS | Louisiana | 1994 | 7,885 | 2,544.8 m | |
| LA SOU/KCS RR & CLAIBORN | Louisiana | 1957 | 7,806 | 168.2 m | |
| I-10 WEST TO US 61 | Louisiana | 1961 | 7,620 | 407.8 m | |
| STREAM NO NAME | Louisiana | 1952 | 7,562 | 22.6 m | |
| CHALPIN BAYOU | Louisiana | 1980 | 7,562 | 40.5 m | |
| BLACK BAYOU | Louisiana | 1971 | 7,519 | 17.4 m | |
| RAMOS BAYOU | Louisiana | 1932 | 7,504 | 142.0 m | |
| YELLOW WATER RIVER | Louisiana | 1958 | 7,190 | 41.1 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.