FHWA NBI 2024 Inspection record Public-domain dataset

I75

Carrying I75 over JOHNS CREEK

1.0 NW OF SR61, Anderson, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: I75

The I75 bridge in Anderson, Tennessee carries I75 over JOHNS CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 53,108 vehicles, placing it in the heavily-trafficked tier of Tennessee bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert 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. Its NBI inventory load rating is 26.2 metric tons.

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

How I75 compares

▼ 3.3
Load rating vs Tennessee average (29.5 t)
Bottom 26%
Lower load rating than 74% of Tennessee bridges
175
Bridges in Anderson · 6 in Poor condition
I75 26.2 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
70.5 / 100 - historical 50–79.9 band
Structural adequacy /55
50.0
Serviceability /30
15.0
Essentiality /15
6.5
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
26.2 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
Concrete Continuous
Number of Spans
2
Structure Length
7.0 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
53,108 vehicles/day
Structure Number
01I00750011

How to read this record

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

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

How often is I75 inspected?

I75'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 53,108 vehicles per day.

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

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

I75 has an NBI inventory load rating of 26.2 metric tons.

Who is responsible for maintaining I75?

I75 is owned and maintained by State Highway Agency.

How old is I75 and does age affect safety?

I75 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.