FHWA NBI 2024 Inspection record Public-domain dataset

FAS 104

Carrying FAS 104 over OBION RIVER

3.3 M W JCT SR20&SR182, Dyer, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: FAS 104

The FAS 104 bridge in Dyer, Tennessee carries FAS 104 over OBION RIVER. It was built in 1948, making it 78 years old today. It was last reconstructed in 1993, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 167.6 meters (550 feet) end to end. Daily traffic averages 483 vehicles, placing it in the lower-traffic 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 4/9, substructure at 5/9. 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 22.7 metric tons.

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

How FAS 104 compares

▼ 6.8
Load rating vs Tennessee average (29.5 t)
Bottom 12%
Lower load rating than 88% of Tennessee bridges
232
Bridges in Dyer · 19 in Poor condition
FAS 104 22.7 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
41.1 / 100 - historical 20–49.9 band
Structural adequacy /55
20.2
Serviceability /30
11.2
Essentiality /15
9.8
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
22.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1948
Last Reconstructed
1993
Material
Steel
Number of Spans
1
Structure Length
167.6 m (550 ft)
Deck Width
8.4 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
483 vehicles/day
Structure Number
23SR0200009

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

FAS 104 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 FAS 104 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 FAS 104?

FAS 104 in Dyer, Tennessee has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is FAS 104 inspected?

FAS 104'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 483 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAS 104 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 FAS 104?

FAS 104 has an NBI inventory load rating of 22.7 metric tons.

Who is responsible for maintaining FAS 104?

FAS 104 is owned and maintained by State Highway Agency.

How old is FAS 104 and does age affect safety?

FAS 104 was built in 1948, making it 78 years old and last reconstructed in 1993.

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.