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 |
|---|---|---|---|---|---|
| BIG CREEK RELIEF | Louisiana | 1952 | 5,107 | 42.1 m | |
| KCS RR | Louisiana | 1976 | 5,107 | 106.7 m | |
| LITTLE SALINE B | Louisiana | 1960 | 5,026 | 49.4 m | |
| CREEK | Louisiana | 1975 | 5,021 | 17.4 m | |
| Laports Coulee | Louisiana | 1950 | 4,990 | 11.9 m | |
| DRAIN | Louisiana | 1937 | 4,912 | 8.5 m | |
| HORSE BAYOU | Louisiana | 1971 | 4,905 | 18.0 m | |
| BLACK BAYOU | Louisiana | 1974 | 4,835 | 17.4 m | |
| SCOTT CREEK | Louisiana | 1970 | 4,748 | 23.5 m | |
| DRAUGHAN CREEK | Louisiana | 1960 | 4,745 | 29.3 m | |
| LITTLE RIVER | Louisiana | 1956 | 4,700 | 195.7 m | |
| S FORK BLACK BAYOU | Louisiana | 1954 | 4,633 | 36.6 m | |
| LONG BRANCH BAYOU | Louisiana | 1954 | 4,612 | 23.5 m | |
| BLACK BAYOU | Louisiana | 1967 | 4,595 | 58.8 m | |
| TENSAS RIVER @ CLAYTON | Louisiana | 1971 | 4,592 | 176.5 m | |
| CHALMETTE VISTA CANAL | Louisiana | 1960 | 4,562 | 12.2 m | |
| I-12 | Louisiana | 1972 | 4,450 | 98.1 m | |
| HORSESHOE CANAL | Louisiana | 1975 | 4,442 | 36.6 m | |
| KARRS CREEK | Louisiana | 1964 | 4,439 | 87.5 m | |
| Port Allen Lock | Louisiana | 1961 | 4,376 | 117.7 m | |
| DUGDEMONA RIVER | Louisiana | 1929 | 4,317 | 39.3 m | |
| LITTLE BAYOU NA BONCHASS | Louisiana | 1957 | 4,306 | 61.0 m | |
| BOGGY BAYOU | Louisiana | 1969 | 4,294 | 52.1 m | |
| GRAND CAILLOU BAYOU | Louisiana | 1980 | 4,278 | 11.6 m | |
| DRAIN | Louisiana | 1964 | 4,254 | 7.9 m | |
| I-20 @ ARCADIA | Louisiana | 1964 | 4,151 | 87.2 m | |
| PASS MANCHAC | Louisiana | 1957 | 4,107 | 918.1 m | |
| NORTH PASS | Louisiana | 1960 | 4,107 | 412.1 m | |
| BOURBEAUX BAYOU | Louisiana | 1987 | 4,081 | 10.1 m | |
| GUM CREEK | Louisiana | 1965 | 4,078 | 23.2 m | |
| CLARKE BAYOU | Louisiana | 1956 | 4,052 | 55.2 m | |
| CANEY BAYOU REL | Louisiana | 1957 | 4,051 | 36.6 m | |
| DRAINAGE CANAL | Louisiana | 1966 | 4,025 | 11.6 m | |
| DRAINAGE BAYOU | Louisiana | 1966 | 4,025 | 23.2 m | |
| BAYOU FOUNTIAN | Louisiana | 1968 | 3,993 | 23.8 m | |
| DRAINAGE CANAL | Louisiana | 1928 | 3,974 | 10.7 m | |
| COOLEY BRANCH | Louisiana | 1954 | 3,955 | 36.6 m | |
| CREEK | Louisiana | 1954 | 3,955 | 30.5 m | |
| I-20 | Louisiana | 1968 | 3,950 | 73.8 m | |
| I-20 | Louisiana | 1964 | 3,924 | 82.6 m | |
| WEST CALCASIEU RIVER REL | Louisiana | 1980 | 3,923 | 91.4 m | |
| WEST CALCASIEU RIVER REL | Louisiana | 1980 | 3,923 | 76.2 m | |
| IRISH BAYOU | Louisiana | 1978 | 3,912 | 103.6 m | |
| LAKE PONTCHARTRAIN | Louisiana | 1938 | 3,912 | 7,596.2 m | |
| BAYOU BEOUF | Louisiana | 1958 | 3,905 | 1,114.0 m | |
| CRAB GULLY | Louisiana | 1957 | 3,884 | 15.2 m | |
| CREEK | Louisiana | 1973 | 3,881 | 29.0 m | |
| BOUDREAUX CANAL | Louisiana | 1959 | 3,872 | 86.6 m | |
| HAMPTONS COULEE | Louisiana | 1966 | 3,799 | 42.7 m | |
| RR I-10 | Louisiana | 1962 | 3,766 | 240.8 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.