FHWA NBI 2024 Inspection record Public-domain dataset

FAP 52

Carrying FAP 52 over LITTLE SALT LICK CREEK

IN RED BOILING SPRINGS, Macon, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: FAP 52

The FAP 52 bridge in Macon, Tennessee carries FAP 52 over LITTLE SALT LICK CREEK. It was built in 1920, making it 106 years old today. It was last reconstructed in 1991, extending its service life. The structure is built primarily of prestressed concrete continuous and spans 2 sections, stretching 19.8 meters (65 feet) end to end. Daily traffic averages 2,228 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 7/9, 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 26.2 metric tons.

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

How FAP 52 compares

▼ 3.3
Load rating vs Tennessee average (29.5 t)
Bottom 26%
Lower load rating than 74% of Tennessee bridges
169
Bridges in Macon · 8 in Poor condition
FAP 52 26.2 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
77.5 / 100 - historical 50–79.9 band
Structural adequacy /55
50.0
Serviceability /30
28.0
Essentiality /15
2.6
Special reductions
−3.1

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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
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
1920
Last Reconstructed
1991
Material
Prestressed Concrete Continuous
Number of Spans
2
Structure Length
19.8 m (65 ft)
Deck Width
13.1 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,228 vehicles/day
Structure Number
56SR0520005

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 FAP 52 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 FAP 52 against other structures in Macon 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 FAP 52?

FAP 52 in Macon, Tennessee has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FAP 52 inspected?

FAP 52'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 2,228 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAP 52 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 FAP 52?

FAP 52 has an NBI inventory load rating of 26.2 metric tons.

Who is responsible for maintaining FAP 52?

FAP 52 is owned and maintained by State Highway Agency.

How old is FAP 52 and does age affect safety?

FAP 52 was built in 1920, making it 106 years old and last reconstructed in 1991.

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.