I81 RT LN
Carrying I81 RT LN over I81 RT LN
6.4 MI NE JCT I40&I81, Jefferson, Tennessee
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: I81 RT LN
The I81 RT LN bridge in Jefferson, Tennessee carries I81 RT LN over I81 RT LN. It was built in 1966, making it 60 years old today. The structure is built primarily of steel. Daily traffic averages 783 vehicles, placing it in the lower-traffic tier of Tennessee bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How I81 RT LN compares
Live comparison across Tennessee.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1966
- Material
- Steel
- Avg Daily Traffic
- 783 vehicles/day
- Structure Number
- 45I00810015
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether I81 RT 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 I81 RT LN against other structures in Jefferson 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 I81 RT LN?
I81 RT LN in Jefferson, Tennessee on the FHWA's 0–9 scale.
How often is I81 RT LN inspected?
I81 RT 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 783 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I81 RT LN 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 I81 RT LN?
An inventory load rating is not recorded for I81 RT LN.
Who is responsible for maintaining I81 RT LN?
Ownership is not specified for I81 RT LN in the NBI.
How old is I81 RT LN and does age affect safety?
I81 RT LN 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.
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.