FHWA NBI 2024 Inspection record Public-domain dataset

VON KARMAN ROAD

Carrying VON KARMAN ROAD over HYPERBALLISTICS RANGE

0.7 miles West of Base En, Franklin, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
17 t Inventory load rating

Bridge Snapshot: VON KARMAN ROAD

The VON KARMAN ROAD bridge in Franklin, Tennessee carries VON KARMAN ROAD over HYPERBALLISTICS RANGE. It was built in 1960, making it 66 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.1 meters (20 feet) end to end. Daily traffic averages 150 vehicles, placing it in the lower-traffic tier of Tennessee bridges. It is owned and maintained by Navy/Marine.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. 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 17.2 metric tons.

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

How VON KARMAN ROAD compares

▼ 12.3
Load rating vs Tennessee average (29.5 t)
Bottom 5%
Lower load rating than 95% of Tennessee bridges
157
Bridges in Franklin · 6 in Poor condition
VON KARMAN ROAD 17.2 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
79.7 / 100 - historical 50–79.9 band
Structural adequacy /55
35.7
Serviceability /30
29.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
17.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1960
Material
Concrete
Number of Spans
1
Structure Length
6.1 m (20 ft)
Deck Width
15.5 m (51 ft)
Owner
Navy/Marine
Avg Daily Traffic
150 vehicles/day
Structure Number
AFTNANZY00004

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether VON KARMAN ROAD 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 VON KARMAN ROAD against other structures in Franklin 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 VON KARMAN ROAD?

VON KARMAN ROAD in Franklin, Tennessee has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is VON KARMAN ROAD inspected?

VON KARMAN ROAD'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 150 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. VON KARMAN ROAD 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 VON KARMAN ROAD?

VON KARMAN ROAD has an NBI inventory load rating of 17.2 metric tons.

Who is responsible for maintaining VON KARMAN ROAD?

VON KARMAN ROAD is owned and maintained by Navy/Marine.

How old is VON KARMAN ROAD and does age affect safety?

VON KARMAN ROAD was built in 1960, making it 66 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.