FHWA NBI 2024 Inspection record Public-domain dataset

FAP 20

Carrying FAP 20 over SR 20 WB / ICG RAILROAD

3.2 MI NE JCT SR 3&SR 104, Dyer, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: FAP 20

The FAP 20 bridge in Dyer, Tennessee carries FAP 20 over SR 20 WB / ICG RAILROAD. It was built in 1985, making it 41 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 61.0 meters (200 feet) end to end. Daily traffic averages 11,746 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 a deck rating of 4/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. 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 FAP 20 compares

▲ 2.9
Load rating vs Tennessee average (29.5 t)
Bottom 39%
Lower load rating than 61% of Tennessee bridges
232
Bridges in Dyer · 19 in Poor condition
FAP 20 32.4 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
94.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
27.0
Essentiality /15
13.9
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 How the historical reference is calculated.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

Deck
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1985
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
61.0 m (200 ft)
Deck Width
15.3 m (50 ft)
Owner
State Highway Agency
Avg Daily Traffic
11,746 vehicles/day
Structure Number
23SR0200030

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

FAP 20 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare FAP 20 against other structures in Dyer 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 20?

FAP 20 in Dyer, Tennessee has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FAP 20 inspected?

FAP 20'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 11,746 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAP 20 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for FAP 20?

FAP 20 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining FAP 20?

FAP 20 is owned and maintained by State Highway Agency.

How old is FAP 20 and does age affect safety?

FAP 20 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.