FHWA NBI 2024 Inspection record Public-domain dataset

US0051

Carrying US0051 over COOL CREEK

0.84 MI. NORTH OF LA 38, Tangipahoa, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
25 t Inventory load rating

Bridge Snapshot: US0051

The US0051 bridge in Tangipahoa, Louisiana carries US0051 over COOL CREEK. It was built in 1935, making it 91 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 45.7 meters (150 feet) end to end. Daily traffic averages 2,403 vehicles, placing it in the moderately-trafficked tier of Louisiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.5 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How US0051 compares

▼ 7.8
Load rating vs Louisiana average (32.3 t)
Bottom 28%
Lower load rating than 72% of Louisiana bridges
477
Bridges in Tangipahoa · 64 in Poor condition
US0051 24.5 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
73.8 / 100 - historical 50–79.9 band
Structural adequacy /55
47.8
Serviceability /30
11.0
Essentiality /15
15.0
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1935
Material
Concrete
Number of Spans
5
Structure Length
45.7 m (150 ft)
Deck Width
8.6 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,403 vehicles/day
Structure Number
625300170608621

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether US0051 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare US0051 against other structures in Tangipahoa and across Louisiana. Louisiana bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for US0051?

US0051 in Tangipahoa, Louisiana has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is US0051 inspected?

US0051's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 2,403 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. US0051 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for US0051?

US0051 has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining US0051?

US0051 is owned and maintained by State Highway Agency.

How old is US0051 and does age affect safety?

US0051 was built in 1935, making it 91 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. 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.