FHWA NBI 2024 Inspection record Public-domain dataset

US 271 SB

Carrying US 271 SB over US 271 SB

OKLAHOMA & TEXAS BORDER, Lamar, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: US 271 SB

The US 271 SB bridge in Lamar, Texas carries US 271 SB over US 271 SB. It was built in 1955, making it 71 years old today. The structure is built primarily of steel continuous. Daily traffic averages 300 vehicles, placing it in the lower-traffic tier of Texas bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.

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

How US 271 SB compares

307
Bridges in Lamar · 8 in Poor condition

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
76.1 / 100 - historical 50–79.9 band
Structural adequacy /55
54.8
Serviceability /30
9.0
Essentiality /15
14.3
Special reductions
−2.0

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 How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

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

Structural Details

Year Built
1955
Material
Steel Continuous
Avg Daily Traffic
300 vehicles/day
Structure Number
011390013607108

How to read this record

This page shows what the last federal inspection recorded, not whether US 271 SB 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 US 271 SB against other structures in Lamar 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 US 271 SB?

US 271 SB in Lamar, Texas on the FHWA's 0–9 scale.

How often is US 271 SB inspected?

US 271 SB'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 300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 271 SB is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for US 271 SB?

An inventory load rating is not recorded for US 271 SB.

Who is responsible for maintaining US 271 SB?

Ownership is not specified for US 271 SB in the NBI.

How old is US 271 SB and does age affect safety?

US 271 SB was built in 1955, making it 71 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.