Tangipahoa County, LA

477 public highway bridges

Tangipahoa County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Tangipahoa County, Louisiana contains 477 public highway bridges. Roughly 36.7% are rated “Good,” 41.1% “Fair,” and 13.4% “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.

477
Total Bridges
36.7%
Good
41.1%
Fair
13.4%
Poor Condition

Condition Distribution

Good
36.7% (175)
Fair
41.1% (196)
Poor
13.4% (64)

All Bridges (477)

US0051

Unknown

Over: US 51 OVER I-55

US051, Tangipahoa, LA

ADT: 36,600

US0051

Unknown

Over: LA-US-51 OVER I-12

0.3 MI NO I-55, Tangipahoa, LA

LA0010

Unknown

Over: LA 10 OVER I-55

LA 0010, Tangipahoa, LA

ADT: 19,000

LA0022

Unknown

Over: LA 22 OVER I-55

LA0022, Tangipahoa, LA

ADT: 3,330

LA0442

Unknown

Over: LA 442 OVER I-55

LA0442, Tangipahoa, LA

ADT: 36,100

LA0440

Unknown

Over: LA 440 OVER I-55

LA0440, Tangipahoa, LA

ADT: 18,100

LA0445

Unknown

Over: LA 445 OVER I-12

I0012, Tangipahoa, LA

ADT: 5,250

LA0040

Unknown

Over: LA 40 OVER I-55

LA0040, Tangipahoa, LA

ADT: 26,200

I0055

Unknown

Over: ELEVATED RDWY

11.0 M S OF LA 22, Tangipahoa, LA

ADT: 2,670

I0055

Unknown

Over: MANCHAC INT/SERVICE RD

11.0 M S OF LA 22, Tangipahoa, LA

ADT: 2,670

TOBIN Rd

Unknown

Over: I-55

TOBIN ROAD OVER I-55, Tangipahoa, LA

ADT: 36,600

I0055

Unknown

Over: I-55 OVER US 190

I0055, Tangipahoa, LA

ADT: 31,400

I0055

Unknown

Over: US0190

1 Mile south of LA 3234, Tangipahoa, LA

ADT: 31,400

NEW GENESSEE RD

Unknown

Over: I-55

I0055, Tangipahoa, LA

ADT: 40,900

W BLACKCAT Rd

Unknown

Over: I-55

1.9 M N OF LA 442, Tangipahoa, LA

ADT: 36,100

I0055

Unknown

Over: I-55 OVER LA 16

I0055, Tangipahoa, LA

ADT: 20,000

I0055

Unknown

Over: I-55 OVER LA 16

I0055, Tangipahoa, LA

ADT: 20,000

HOUEYE Rd

Unknown

Over: I-55

I0055, Tangipahoa, LA

ADT: 18,700

I0055

Unknown

Over: I-55 OVER LA 1048

I0055, Tangipahoa, LA

ADT: 530

I0055

Unknown

Over: I-55 OVER LA 1048

I0055, Tangipahoa, LA

ADT: 530

I0055

Unknown

Over: I-55 OVER LA 1049

I0055, Tangipahoa, LA

ADT: 2,300

I0055

Unknown

Over: I-55 OVER LA 1049

I0055, Tangipahoa, LA

ADT: 2,300

I0055

Unknown

Over: I-55 OVER LA 38

I0055, Tangipahoa, LA

ADT: 2,400

I0055

Unknown

Over: I-55 OVER LA 38

I0055, Tangipahoa, LA

ADT: 2,400

HAPPYWOODS Rd

Unknown

Over: I-12

0.6 M W OF I-55, Tangipahoa, LA

ADT: 66,800

I0012

Unknown

Over: I-12 OVER I-55

I0012, Tangipahoa, LA

ADT: 55,400

I0012

Unknown

Over: I-12 OVER I-55

I0012, Tangipahoa, LA

ADT: 55,400

I0012

Unknown

Over: I-12 OVER US 51 BUS

I0012, Tangipahoa, LA

ADT: 12,400

I0012

Unknown

Over: US 51 BUS.

I0012, Tangipahoa, LA

ADT: 12,400

S RANGE Rd

Unknown

Over: I-12

I0010, Tangipahoa, LA

ADT: 59,200

I0012

Unknown

Over: LA 3158 (Airport Rd)

I0010, Tangipahoa, LA

ADT: 9,600

I0012

Unknown

Over: LA 3158 (Airport Rd)

I0010, Tangipahoa, LA

ADT: 9,600

SONTHEIMER Rd

Unknown

Over: I-12

I0012, Tangipahoa, LA

ADT: 48,300

FIRETOWER Rd

Unknown

Over: I-12

I0012, Tangipahoa, LA

LA1050

Unknown

Over: LA 1050 OVER I-55

LA1050, Tangipahoa, LA

ADT: 18,100

LA1064

Unknown

Over: LA 1064 OVER I-55

LA1064, Tangipahoa, LA

ADT: 40,900

LA1040

Unknown

Over: LA 1040 OVER I-55

LA1040, Tangipahoa, LA

ADT: 55,400

LA1249

Unknown

Over: I-12

2.1 M E OF LA 43, Tangipahoa, LA

ADT: 42,500

LA1053

Unknown

Over: LA 1053 OVER I-55

LA1053, Tangipahoa, LA

ADT: 10,000

LA1063

Unknown

Over: LA 1063 OVER I-55

LA1063, Tangipahoa, LA

ADT: 36,100

US0051-B

Unknown

Over: US 51B OVER I-55

US0051, Tangipahoa, LA

ADT: 29,000

LA3234

Unknown

Over: I0055

1.65 MI WEST INTER US 51, Tangipahoa, LA

ADT: 40,900

LA1062

Fair

Over: DRAIN

3.5 M SE OF LA 445, Tangipahoa, LA

Built 1954 Load: 6.4 t ADT: 3,571

LA1061

Fair

Over: HORSE BRANCH

2.2 M NE OF LA 1054, Tangipahoa, LA

Built 1958 Load: 6.8 t ADT: 279

Traino Rd

Fair

Over: CANAL

3 MI S. OF LA 22 TRAIN RD, Tangipahoa, LA

Built 1995 Load: 7.3 t ADT: 391

LA1054

Fair

Over: BIG CREEK

LA1054, Tangipahoa, LA

Built 1955 Load: 10.0 t ADT: 1,264

LA1048

Fair

Over: NATALBANY CREEK

LA1048, Tangipahoa, LA

Built 1967 Load: 10.0 t ADT: 883

Bankston Rd

Fair

Over: CREEK

3.2 MI SE OF SR 16 E, Tangipahoa, LA

Built 1975 Load: 10.2 t ADT: 551

LA0010

Fair

Over: HAMILTON CREEK

0.7 M E OF LA 1061, Tangipahoa, LA

Built 1957 Load: 11.3 t ADT: 1,333

Soloman Rd

Fair

Over: CREEK

2.6 MI SW OF JCT 51, Tangipahoa, LA

Built 1960 Load: 11.3 t ADT: 14
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.