FHWA NBI 2024 Inspection record Public-domain dataset

WALNUT HILL LN

Carrying WALNUT HILL LN over DART BLUE LINE

0.25 MI E OF SKILLMAN ST, Dallas, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: WALNUT HILL LN

The WALNUT HILL LN bridge in Dallas, Texas carries WALNUT HILL LN over DART BLUE LINE. It was built in 1972, making it 54 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 42.7 meters (140 feet) end to end. Daily traffic averages 10,880 vehicles, placing it in the heavily-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 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor 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 WALNUT HILL LN compares

▲ 4.4
Load rating vs Texas average (28.3 t)
Top 40%
Higher load rating than 60% of Texas bridges
3,231
Bridges in Dallas · 18 in Poor condition
WALNUT HILL LN 32.7 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
74.6 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
9.0
Essentiality /15
13.6
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
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.

Structural Details

Year Built
1972
Material
Prestressed Concrete
Number of Spans
3
Structure Length
42.7 m (140 ft)
Deck Width
28.0 m (92 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
10,880 vehicles/day
Structure Number
1805709K4800006

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether WALNUT HILL LN 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 WALNUT HILL LN 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 WALNUT HILL LN?

WALNUT HILL LN in Dallas, Texas has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is WALNUT HILL LN inspected?

WALNUT HILL LN'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 10,880 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WALNUT HILL LN 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 WALNUT HILL LN?

WALNUT HILL LN has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining WALNUT HILL LN?

WALNUT HILL LN is owned and maintained by City/Municipal Highway Agency.

How old is WALNUT HILL LN and does age affect safety?

WALNUT HILL LN was built in 1972, making it 54 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.