FHWA NBI 2024 Inspection record Public-domain dataset

SH 255 ML

Carrying SH 255 ML over DRAIN

2.78 MI WEST OF FM 3338, Webb, Texas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating Higher than 53% of rated Texas bridges

SH 255 ML in Webb, Texas sits above 53% of rated Texas bridges on inventory load rating (33 t), while its 1999 build year is earlier than 27% of Webb's recorded-year cohort (383 bridges).

SH 255 ML in Webb, Texas is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1999, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure TX:222400358602005

LATE-CENTURY · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: SH 255 ML

The SH 255 ML bridge in Webb, Texas carries SH 255 ML over DRAIN. It was built in 1999, making it 27 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 630 vehicles, placing it in the lower-traffic tier of Texas bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How SH 255 ML compares

▲ 3.7
Load rating vs Texas average (29.0 t; 56,715 of 56,729 rated)
383
Bridges in Webb · 6 in Poor condition

Age against the county: built in 1999, earlier than 105 of Webb's 383 bridges with a recorded construction year (27%), against a county median build year of 1981. This is one of the newer structures in its county.

SH 255 ML 32.7 t
Texas average (56,715 of 56,729 rated) 29.0 t

Live comparison across Texas bridges with a recorded inventory load rating (56,715 of 56,729 rated).

SH 255 ML vs every rated Texas bridge

Inventory load rating (metric tons), FHWA NBI, this state

33 Top 47% higher than 53% of 56,715 bridges

rated Texas bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Webb inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 383 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1999
Material
Concrete
Number of Spans
3
Structure Length
9.1 m (30 ft)
Deck Width
24.3 m (80 ft)
Owner
State Highway Agency
Avg Daily Traffic
630 vehicles/day
Structure Number
222400358602005

How to read this record

This page shows what the last federal inspection recorded, not whether SH 255 ML 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 SH 255 ML against other structures in Webb and across Texas. Texas 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 SH 255 ML?

SH 255 ML in Webb, Texas on the FHWA's 0–9 scale.

How often is SH 255 ML inspected?

SH 255 ML'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 630 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 255 ML is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SH 255 ML?

SH 255 ML has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining SH 255 ML?

SH 255 ML is owned and maintained by State Highway Agency.

How old is SH 255 ML and does age affect safety?

SH 255 ML was built in 1999, making it 27 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.