FHWA NBI 2024 Inspection record Public-domain dataset

EXT OF SH 255 TOLL

Carrying EXT OF SH 255 TOLL over RIO GRANDE RIVER

1.185 MI SW OF FM 1472, Webb, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: EXT OF SH 255 TOLL

The EXT OF SH 255 TOLL bridge in Webb, Texas carries EXT OF SH 255 TOLL over RIO GRANDE RIVER. It was built in 1991, making it 35 years old today. The structure is built primarily of prestressed concrete and spans 13 sections, stretching 370.6 meters (1216 feet) end to end. Daily traffic averages 8,200 vehicles, placing it in the moderately-trafficked tier of Texas bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.7 metric tons.

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

How EXT OF SH 255 TOLL compares

▲ 4.4
Load rating vs Texas average (28.3 t)
Top 40%
Higher load rating than 60% of Texas bridges
383
Bridges in Webb · 6 in Poor condition
EXT OF SH 255 TOLL 32.7 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
67.4 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
15.4
Essentiality /15
0.0
Special reductions
−3.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1991
Material
Prestressed Concrete
Number of Spans
13
Structure Length
370.6 m (1216 ft)
Deck Width
36.6 m (120 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
8,200 vehicles/day
Structure Number
222400B01391001

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • 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 EXT OF SH 255 TOLL 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 EXT OF SH 255 TOLL 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 EXT OF SH 255 TOLL?

EXT OF SH 255 TOLL in Webb, Texas has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is EXT OF SH 255 TOLL inspected?

EXT OF SH 255 TOLL'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 8,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. EXT OF SH 255 TOLL 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 EXT OF SH 255 TOLL?

EXT OF SH 255 TOLL has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining EXT OF SH 255 TOLL?

EXT OF SH 255 TOLL is owned and maintained by City/Municipal Highway Agency.

How old is EXT OF SH 255 TOLL and does age affect safety?

EXT OF SH 255 TOLL was built in 1991, making it 35 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.