FHWA NBI 2024 Inspection record Public-domain dataset

NFA 1780 (SA 9106)

Carrying NFA 1780 (SA 9106) over INDIAN CREEK

8.3 MI SE JCT SR15&SR114, Wayne, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: NFA 1780 (SA 9106)

The NFA 1780 (SA 9106) bridge in Wayne, Tennessee carries NFA 1780 (SA 9106) over INDIAN CREEK. It was built in 1985, making it 41 years old today. The structure is built primarily of prestressed concrete continuous and spans 4 sections, stretching 94.2 meters (309 feet) end to end. Daily traffic averages 113 vehicles, placing it in the lower-traffic tier of Tennessee bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.4 metric tons.

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

How NFA 1780 (SA 9106) compares

▲ 2.9
Load rating vs Tennessee average (29.5 t)
Bottom 39%
Lower load rating than 61% of Tennessee bridges
282
Bridges in Wayne · 10 in Poor condition
NFA 1780 (SA 9106) 32.4 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
86.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
18.3
Essentiality /15
14.9
Special reductions
−2.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1985
Material
Prestressed Concrete Continuous
Number of Spans
4
Structure Length
94.2 m (309 ft)
Deck Width
7.4 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
113 vehicles/day
Structure Number
91017800005

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether NFA 1780 (SA 9106) 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 NFA 1780 (SA 9106) against other structures in Wayne 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 NFA 1780 (SA 9106)?

NFA 1780 (SA 9106) in Wayne, Tennessee has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is NFA 1780 (SA 9106) inspected?

NFA 1780 (SA 9106)'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 113 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA 1780 (SA 9106) is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NFA 1780 (SA 9106)?

NFA 1780 (SA 9106) has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining NFA 1780 (SA 9106)?

NFA 1780 (SA 9106) is owned and maintained by County Highway Agency.

How old is NFA 1780 (SA 9106) and does age affect safety?

NFA 1780 (SA 9106) was built in 1985, making it 41 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.