St. Tammany County, LA
360 public highway bridges
St. Tammany County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, St. Tammany County, Louisiana contains 360 public highway bridges. Roughly 29.7% are rated “Good,” 53.1% “Fair,” and 5.6% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (360)
US0190
FairOver: FAIRWAY DRIVE OVERPASS
US 190 LOG MI 4.62, St. Tammany, LA
I0010
FairOver: CANAL
0.4 M N OF US 190, St. Tammany, LA
I0010
FairOver: CANAL
0.4 M N OF US 190, St. Tammany, LA
US0190-B
FairOver: DRAIN CANAL
LA US 190, St. Tammany, LA
LA0021
FairOver: BAYOU DEZEIRE
0.3 M S OF LA 1077, St. Tammany, LA
LA0435
FairOver: DOUBLE CREEK BRIDGE
3.7 M W OF LA 41, St. Tammany, LA
US0190
FairOver: PONCHITOLAWA CR
US 190, St. Tammany, LA
I0010
FairOver: CANAL
0.5 M SW OF US 190, St. Tammany, LA
I0010
FairOver: DRAINAGE CANAL
I0010, St. Tammany, LA
I0010
FairOver: CANAL
0.7 M N OF US 190, St. Tammany, LA
I0010
FairOver: CANAL
0.7 M N OF US 190, St. Tammany, LA
I0010
FairOver: W PEARL RIVER
2.1 Mi. E of I-59, St. Tammany, LA
I0010
FairOver: W PEARL RIVER
6.2 Mi. W of MS 607, St. Tammany, LA
I0012
FairOver: VINCENT BAYOU
I0012, St. Tammany, LA
I0012
FairOver: VINCENT BAYOU
I0012, St. Tammany, LA
I0010
FairOver: MIDDLE PEARL R.
I0010, St. Tammany, LA
I0010
FairOver: MIDDLE PEARL R.
I0010, St. Tammany, LA
US0190
FairOver: BOGUE FALAYA
0.2 MI WEST OF LA 21 INT., St. Tammany, LA
I0010
FairOver: CANAL
2.0 M SW OF LA 433, St. Tammany, LA
I0010
FairOver: CANAL
2.0 M SW OF LA 433, St. Tammany, LA
Town Center Pkwy.
FairOver: SCHNEIDER CANAL
ON TOWN CENTER PKWY 0.80, St. Tammany, LA
OCHSNER BOULEVARD
FairOver: TIMBER BRANCH
1.5 MI.NORTHWEST OF LA.21, St. Tammany, LA
LA1088
FairOver: CANE BAYOU
1.7 M E OF I-12, St. Tammany, LA
Brewster Rd
FairOver: PIPE AT BLACK RIVER
LA 1077 9.0 S OF I-12, St. Tammany, LA
LA0041
FairOver: DRAIN
2.1 M N OF LA 435, St. Tammany, LA
LA0435
FairOver: BEEF BRANCH
LA 435 LOG MI 3.49, St. Tammany, LA
Fitzmorris Rd
FairOver: METRCH PIPE @ TICE BRANC
3.35M S.OF LA 437 &LA1081, St. Tammany, LA
LA0040
FairOver: BRUSHY FORK BRANCH
LA 40 0.85 M E OF LA 1129, St. Tammany, LA
BRICKER ROAD
FairOver: CANAL
0.4 MILES N OF LA. 1085, St. Tammany, LA
LA0041
FairOver: DRAIN
2.6 M N OF LA 435, St. Tammany, LA
LA0025
FairOver: DRAIN
1.4 M N OF LA 40, St. Tammany, LA
LA0025
FairOver: DRAIN
1.4 M NE OF LA 450, St. Tammany, LA
LA1088
FairOver: LACOMBE BAYOU
LA1088, St. Tammany, LA
Sgt. Alfred Dr
GoodOver: CREEK
0.7 MILE SOUTH OF MI, St. Tammany, LA
Shannon Dr
GoodOver: LITTLE BAYOU PIPE
US190 3.2 MI E LA 434, St. Tammany, LA
marion St
GoodOver: CREEK
1.2 MI E LA 59 MARION ST., St. Tammany, LA
CRAWFORD ROAD
GoodOver: LITTLE GUM BAYOU
0.87 MI WEST OF LA 41, St. Tammany, LA
LA0040
GoodOver: MILLS CREEK
LA0040, St. Tammany, LA
LA0040
GoodOver: SIMMONS CREEK
LA0040, St. Tammany, LA
LA0021
GoodOver: MARIAS CREEK
.45 MI N,JCT LA21 & LA16, St. Tammany, LA
LA1081
GoodOver: L.BOGUE FALAYA
LA1081, St. Tammany, LA
LA1081
GoodOver: L.BOGUE FALAYA
LA1081, St. Tammany, LA
LA1083
GoodOver: CREEK
6.1 M SW OF LA 41, St. Tammany, LA
LA1083
GoodOver: BULLY BRANCH
2.1 M N OF LA 21, St. Tammany, LA
LA0437
GoodOver: DRAIN
0.95 MI. NO. LA 25 INTER., St. Tammany, LA
W. 19th Ave
GoodOver: MILE BRANCH
0.4 MILE EAST OF JOHNSON, St. Tammany, LA
Dupard St.
GoodOver: Little Bayou Castine
0.65 Mi E. of La 59, St. Tammany, LA
Lake Rd
GoodOver: POWELL CANAL
2.05 MILES SOUTH OF LA 43, St. Tammany, LA
GOLDEN MEADOW DR.
GoodOver: DRAIN
1.70 MI EAST OF US 90, St. Tammany, LA
Dummyline Rd
GoodOver: BLACK RIVER
1.54 M W OF LA 1077, St. Tammany, LA
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.