FHWA NBI 2024 Inspection record Public-domain dataset

US0371

Carrying US0371 over ICG RR @ SIBLEY

.1 MI SOUTH OF LA 164, Webster, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
14 t Inventory load rating

Bridge Snapshot: US0371

The US0371 bridge in Webster, Louisiana carries US0371 over ICG RR @ SIBLEY. It was built in 1935, making it 91 years old today. The structure is built primarily of steel and spans 3 sections, stretching 37.2 meters (122 feet) end to end. Daily traffic averages 6,469 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 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 13.6 metric tons.

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

How US0371 compares

▼ 18.7
Load rating vs Louisiana average (32.3 t)
Bottom 5%
Lower load rating than 95% of Louisiana bridges
194
Bridges in Webster · 48 in Poor condition
US0371 13.6 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
7.5 / 100 - historical under-20 band
Structural adequacy /55
3.5
Serviceability /30
4.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
13.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1935
Material
Steel
Number of Spans
3
Structure Length
37.2 m (122 ft)
Deck Width
11.3 m (37 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,469 vehicles/day
Structure Number
046000270309511

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

US0371 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare US0371 against other structures in Webster 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 US0371?

US0371 in Webster, Louisiana has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is US0371 inspected?

US0371'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 6,469 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US0371 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for US0371?

US0371 has an NBI inventory load rating of 13.6 metric tons.

Who is responsible for maintaining US0371?

US0371 is owned and maintained by State Highway Agency.

How old is US0371 and does age affect safety?

US0371 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.