FHWA NBI 2024 Inspection record Public-domain dataset

I75 SBL

Carrying I75 SBL over I75 SBL

15.4 MI FROM BRADLEY CO, McMinn, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: I75 SBL

The I75 SBL bridge in McMinn, Tennessee carries I75 SBL over I75 SBL. It was built in 1971, making it 55 years old today. The structure is built primarily of concrete. Daily traffic averages 877 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. 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 I75 SBL compares

220
Bridges in McMinn · 6 in Poor condition

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
82.7 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
28.0
Essentiality /15
10.7
Special reductions
−1.0

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 How the historical reference is calculated.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
1971
Material
Concrete
Avg Daily Traffic
877 vehicles/day
Structure Number
54I00750024

How to read this record

This page shows what the last federal inspection recorded, not whether I75 SBL 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 I75 SBL against other structures in McMinn 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 I75 SBL?

I75 SBL in McMinn, Tennessee on the FHWA's 0–9 scale.

How often is I75 SBL inspected?

I75 SBL'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 877 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I75 SBL 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 I75 SBL?

An inventory load rating is not recorded for I75 SBL.

Who is responsible for maintaining I75 SBL?

Ownership is not specified for I75 SBL in the NBI.

How old is I75 SBL and does age affect safety?

I75 SBL was built in 1971, making it 55 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.