St. Tammany County, LA
360 public highway bridges
St. Tammany County Bridge Snapshot
St. Tammany County, Louisiana contains 360 public highway bridges in the FHWA National Bridge Inventory. Roughly 29.7% are rated “Good,” 53.1% “Fair,” 5.6% “Poor,” and 5.6% 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 (360)
Olive St
FairOver: CREEK
0.4MI.EASTOF PONCH D, St. Tammany, LA
Coffee St
FairOver: CREEK
0.2MI.N.OF LAKE SHOR, St. Tammany, LA
Keen Rd
FairOver: ABITA RIVER
0.32M SOUTH OF LA 435, St. Tammany, LA
House Cr. Rd
FairOver: HOUSE CREEK
2.0 M NORTH OF LA 40, St. Tammany, LA
Joseph Rd
FairOver: BOGUE FALAYA RIVER
1.3 MI EAST OF LA 25, St. Tammany, LA
KING'S Rd
FairOver: WRIGHTS Cr
1.0.MI. NORTH.OF.LA., St. Tammany, LA
Carrey St
FairOver: CREEK
0.4 MI.NE OF US LA.1, St. Tammany, LA
Royal 18th Dr
FairOver: CREEK
ROYAL 18 ESTATES SUB, St. Tammany, LA
Madison St
FairOver: LITTLE BAYOU
0.1MI.EAST OF LAFITT, St. Tammany, LA
Middle Pearl Dr
FairOver: BAYOU
1.5 M E US190/INDIAN V.RD, St. Tammany, LA
Bryan St
FairOver: CREEK
.05 MI.E.OF CLEVELAN, St. Tammany, LA
Cousin St
FairOver: CREEK
0.1.MILE.W.OF. US.19, St. Tammany, LA
Cousin St
FairOver: CREEK
0.4 MI.EAST OF BUS 1, St. Tammany, LA
Lock #2 Rd
FairOver: BRUSHY BRANCH
4.5 MI N OF JCT 435 & 41, St. Tammany, LA
LA0040
FairOver: SAVANNAH BRANCH
LA0040, St. Tammany, LA
LA1085
FairOver: BRIDGE OVER FOX BRANCH
1.20 M SOUTH OF I-12, St. Tammany, LA
LA0036
FairOver: DRAIN
1.3 M W OF LA 41, St. Tammany, LA
Eden Isle Subd.
FairOver: BR. OVER EDEN ISLES CANA
2.4 MI S JCT US N & LA433, St. Tammany, LA
Eden Isle Subd.
FairOver: BR. OVER EDEN ISLES CANA
2.4 MI S JCT US 11 & 433, St. Tammany, LA
Lee Rd
FairOver: HOUSE CREEK
0.2 M NORTH OF LA 1129, St. Tammany, LA
LA0450
FairOver: DRAIN
1.1 M NW OF LA 25, St. Tammany, LA
LA0040
FairOver: CREEK
1.4 M W OF LA 1077, St. Tammany, LA
MARLIN DRIVE
FairOver: CANAL
0.17 MI S OF LA.433, St. Tammany, LA
MORAY DRIVE
FairOver: CANAL
0.61 MI S OF LA 433, St. Tammany, LA
LA0036
FairOver: CREEK
0.2 M E OF LA 434, St. Tammany, LA
LA0022
FairOver: BLACK RIVER
LA 22, St. Tammany, LA
LA0036
FairOver: ICG RAILROAD
LA0036, St. Tammany, LA
LA0450
FairOver: MARYS BRANCH
2.5 M NW OF LA 25, St. Tammany, LA
Lake Rd
FairOver: LACOMBE BAYOU
1080M SOUTH OF LA 434, St. Tammany, LA
Jackson Rd
FairOver: CREEK CANAL
0.2 MILES NORTH OF US190, St. Tammany, LA
W. Hall Ave
FairOver: CREEK
0.6MI.E.OF CARROL RD, St. Tammany, LA
Berry Todd Rd
FairOver: BRIDGE OVER CREEK
0.90 MI E. OF LA 434, St. Tammany, LA
Krentel Rd
FairOver: BRIDGE OVER LACOMBE BAYO
0.7 MI N. OF LA 434, St. Tammany, LA
Lavinghouse Rd
FairOver: SIMMONS CREEK
0.72M SOUTH OF LA 40, St. Tammany, LA
LA0059
FairOver: LONG BRANCH BAYOU
0.9 M N OF LA 36, St. Tammany, LA
Old Hwy. 41 Spur
FairOver: DRAIN
0.20 SOUTHWEST OF LA 41, St. Tammany, LA
3RD STREET
FairOver: CANAL
1.25 MI EAST OF US 190, St. Tammany, LA
FISCHER DRIVE
FairOver: GUM BAYOU
0.06 MI EAST OF LA 1090, St. Tammany, LA
LA1077
FairOver: SAVANNAH BRANCH
LA1077, St. Tammany, LA
N. Blvd.
FairOver: CANAL
1.0 MILE SOUTH OF I 12 OF, St. Tammany, LA
N. Pearl St
FairOver: BR. OVER FRENCH BRANCH
N. 190 ON PEARL ST. 0.60, St. Tammany, LA
Florida Ave
FairOver: CANAL
0.7 MI EAST OF 190 B, St. Tammany, LA
LA1078
FairOver: COWPEN BRANCH
LA1078, St. Tammany, LA
LA1078
FairOver: HORSE BRANCH
LA1078, St. Tammany, LA
SHADY VIEW LANE
FairOver: DRAIN
0.60 MI W OF LA.21, St. Tammany, LA
Honey Island Swamp
FairOver: DUCK BAYOU
0.5M EAST OF I-59, St. Tammany, LA
LA0016
FairOver: WRIGHTS CREEK
LA0016, St. Tammany, LA
LA0016
FairOver: HOLDENS CREEK
LA0016, St. Tammany, LA
US0011
FairOver: BAYOU POTASSAY
0.2 M N OF LA 433, St. Tammany, LA
LA1077
FairOver: TCHEFUNCTE RIVER
LA1077, St. Tammany, 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 |