FHWA NBI 2024 Inspection record Public-domain dataset

DALLAS N TLWY SB

Carrying DALLAS N TLWY SB over HARRY HINES BLVD NB

0.2 MI S OF OAK LAWN AVE, Dallas, Texas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
23 t Inventory load rating Lower than 97% of rated Texas bridges

DALLAS N TLWY SB in Dallas, Texas sits above 3% of rated Texas bridges on inventory load rating (23 t), while its 1966 build year is earlier than 77% of Dallas's recorded-year cohort (3,230 bridges).

DALLAS N TLWY SB in Dallas, Texas is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1966, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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:1805709D0470018

INTERSTATE-ERA · STEEL · MULTI-SPAN · DECK-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial 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: DALLAS N TLWY SB

The DALLAS N TLWY SB bridge in Dallas, Texas carries DALLAS N TLWY SB over HARRY HINES BLVD NB. It was built in 1966, making it 60 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 137.8 meters (452 feet) end to end. Daily traffic averages 6,450 vehicles, placing it in the moderately-trafficked tier of Texas bridges. It is owned and maintained by Local Toll Authority.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How DALLAS N TLWY SB compares

▼ 6.3
Load rating vs Texas average (29.0 t; 56,715 of 56,729 rated)
3,230
Bridges in Dallas · 33 in Poor condition

Age against the county: built in 1966, earlier than 2,476 of Dallas's 3,230 bridges with a recorded construction year (77%), against a county median build year of 1981. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

DALLAS N TLWY SB 22.7 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).

DALLAS N TLWY SB vs every rated Texas bridge

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

23 Top 97% higher than 3% 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

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
22.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Dallas inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 3,230 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
1966
Material
Steel Continuous
Number of Spans
2
Structure Length
137.8 m (452 ft)
Deck Width
12.1 m (40 ft)
Owner
Local Toll Authority
Avg Daily Traffic
6,450 vehicles/day
Structure Number
1805709D0470018

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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether DALLAS N TLWY 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 DALLAS N TLWY SB against other structures in Dallas 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 DALLAS N TLWY SB?

DALLAS N TLWY SB in Dallas, Texas has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is DALLAS N TLWY SB inspected?

DALLAS N TLWY 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 6,450 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DALLAS N TLWY SB 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 DALLAS N TLWY SB?

DALLAS N TLWY SB has an NBI inventory load rating of 22.7 metric tons.

Who is responsible for maintaining DALLAS N TLWY SB?

DALLAS N TLWY SB is owned and maintained by Local Toll Authority.

How old is DALLAS N TLWY SB and does age affect safety?

DALLAS N TLWY SB was built in 1966, making it 60 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

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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.