FHWA NBI 2024 Inspection record Public-domain dataset

WB I40 FRONTAGE RD

Carrying WB I40 FRONTAGE RD over I40-WB-RMP / PAPERMILL

NORTH OF I40, Knox, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: WB I40 FRONTAGE RD

The WB I40 FRONTAGE RD bridge in Knox, Tennessee carries WB I40 FRONTAGE RD over I40-WB-RMP / PAPERMILL. It was built in 2005, making it 21 years old today. The structure is built primarily of steel. Daily traffic averages 1,834 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.

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

How WB I40 FRONTAGE RD compares

588
Bridges in Knox · 3 in Poor condition

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
98.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.0
Special reductions
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 How the historical reference is calculated.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
2005
Material
Steel
Avg Daily Traffic
1,834 vehicles/day
Structure Number
47I00400191

How to read this record

This page shows what the last federal inspection recorded, not whether WB I40 FRONTAGE RD 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 WB I40 FRONTAGE RD against other structures in Knox and across Tennessee. Tennessee 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 WB I40 FRONTAGE RD?

WB I40 FRONTAGE RD in Knox, Tennessee on the FHWA's 0–9 scale.

How often is WB I40 FRONTAGE RD inspected?

WB I40 FRONTAGE RD'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 1,834 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WB I40 FRONTAGE RD 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 WB I40 FRONTAGE RD?

An inventory load rating is not recorded for WB I40 FRONTAGE RD.

Who is responsible for maintaining WB I40 FRONTAGE RD?

Ownership is not specified for WB I40 FRONTAGE RD in the NBI.

How old is WB I40 FRONTAGE RD and does age affect safety?

WB I40 FRONTAGE RD was built in 2005, making it 21 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.