St. Charles County, LA
82 public highway bridges
St. Charles County Bridge Snapshot
St. Charles County, Louisiana contains 82 public highway bridges in the FHWA National Bridge Inventory. Roughly 48.8% are rated “Good,” 19.5% “Fair,” 1.2% “Poor,” and 1.2% 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.
Condition Distribution
All Bridges (82)
I0310
GoodOver: I310 SB TO US90
0.40 MI. N. OF US 90, St. Charles, LA
US0090
GoodOver: DRAIN DITCH
1 MILE WEST OF DAVIS POND, St. Charles, LA
US0090
GoodOver: DAVIS POND DIVERSION
3.0 MI EAST OF LA 632, St. Charles, LA
US0061
GoodOver: CONC BOX XING
3.6 MI WEST OF JEFFERSON, St. Charles, LA
US0061
GoodOver: CONC BOX XING
4.4 MI WEST OF JEFFERSON, St. Charles, LA
US0061
GoodOver: CONC BOX XING
4.9 MI WEST OF JEFFERSON, St. Charles, LA
US0061
GoodOver: CONC BOX XING
5.2 MI WEST OF JEFFERSON, St. Charles, LA
I0310
GoodOver: SWAMP
0.01 M SOUTH OF I-10, St. Charles, LA
I0310
GoodOver: I 310 N FROM US 90
0.60 MI N. OF US 90, St. Charles, LA
I0010
GoodOver: LAKE PONTCHARTRAIN X-OVE
3.3 MI EAST OF I-55, St. Charles, LA
I0310
GoodOver: PIPELINE
0.2M NORTH OF LA 48, St. Charles, LA
I0310
GoodOver: PIPELINE
0.2M NORTH OF LA 48, St. Charles, LA
I0310
GoodOver: 80 ARPENT CANAL
1.17 MI N. OF US 90, St. Charles, LA
I0310
GoodOver: RR/CANAL
0.25 M SOUTH OF US 61, St. Charles, LA
LA0632
GoodOver: MAIN CANAL
.01 MILE SOUTH OF LA 306, St. Charles, LA
LA3142
GoodOver: MP RR @ TAFT
.45 MI NORTH OF LA 3127, St. Charles, LA
Maryland Dr
GoodOver: ELLINGTON CANAL
2.0 MI. S. OF US 90, St. Charles, LA
LA0306
GoodOver: DRAIN CANAL
2.1 MI NORTH OF LA 632, St. Charles, LA
LA0306
GoodOver: DRAIN CANAL
.6 MI NORTH OF LA 632, St. Charles, LA
LA0306
GoodOver: DRAIN CANAL
1.2 MI SOUTH OF LA 632, St. Charles, LA
I0310
GoodOver: M P RR
.05 MI SOUTH OF LA 18, St. Charles, LA
LA3127
GoodOver: UNION CARBIDE CANAL
.6 MI EAST OF LA 3142, St. Charles, LA
LA3127
GoodOver: HAHNVILLE CANAL
.1 MI WEST OF LA 3160, St. Charles, LA
LA3127
GoodOver: HAHNVILLE CANAL
.1 MI WEST OF LA 3160, St. Charles, LA
LA3127
GoodOver: VIAL CANAL
.9 MI EAST OF LA 3160, St. Charles, LA
LA3127
GoodOver: HYMEL CANAL
2.2 MI EAST OF LA 3160, St. Charles, LA
LA3127
GoodOver: HYMEL CANAL
2.2 MI EAST OF LA 3160, St. Charles, LA
LA0052
GoodOver: BOUTTE CANAL
1 MILE NORTH OF HWY 90, St. Charles, LA
I0310
GoodOver: RAMP 'E'
5.53 MI S JCT I-10, St. Charles, LA
LA0632
GoodOver: DRAIN CANAL
2.3 MILES SOUTH OF HWY 90, St. Charles, LA
US0090
GoodOver: DAVIS POND DIVERSION
3.0 MILES EAST OF LA 632, St. Charles, LA
LA0631
Structurally DeficientOver: DRAIN CANAL
.6 MI EAST OF LA 306, St. Charles, LA
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |