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.