SR 128
Carrying SR 128 over TENN. RIVER & PLANT ROAD
PICKWICK DAM, Hardin, Tennessee
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SR 128
The SR 128 bridge in Hardin, Tennessee carries SR 128 over TENN. RIVER & PLANT ROAD. It was built in 1963, making it 63 years old today. It was last reconstructed in 1978, extending its service life. The structure is built primarily of steel continuous and spans 18 sections, stretching 1103.4 meters (3620 feet) end to end. Daily traffic averages 6,357 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges. It is owned and maintained by Tennessee Valley Authority.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 24.3 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SR 128 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 How the historical reference is calculated.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
- 1963
- Last Reconstructed
- 1978
- Material
- Steel Continuous
- Number of Spans
- 18
- Structure Length
- 1103.4 m (3620 ft)
- Deck Width
- 12.1 m (40 ft)
- Owner
- Tennessee Valley Authority
- Avg Daily Traffic
- 6,357 vehicles/day
- Structure Number
- 36SR1280001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
How to read this record
This page shows what the last federal inspection recorded, not whether SR 128 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 SR 128 against other structures in Hardin 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 SR 128?
SR 128 in Hardin, Tennessee has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is SR 128 inspected?
SR 128'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 6,357 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR 128 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 SR 128?
SR 128 has an NBI inventory load rating of 24.3 metric tons.
Who is responsible for maintaining SR 128?
SR 128 is owned and maintained by Tennessee Valley Authority.
How old is SR 128 and does age affect safety?
SR 128 was built in 1963, making it 63 years old and last reconstructed in 1978.
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.