FHWA NBI 2024 Inspection record Public-domain dataset

TR 471 Allison Rd

Carrying TR 471 Allison Rd over TRIB TO FACTORY CREEK

0.08 mi SW from CR 100, Athens, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
11 t Inventory load rating

Bridge Snapshot: TR 471 Allison Rd

The TR 471 Allison Rd bridge in Athens, Ohio carries TR 471 Allison Rd over TRIB TO FACTORY CREEK. It was built in 1936, making it 90 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 40 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 3/9, superstructure at 3/9, substructure at 3/9. 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 10.8 metric tons.

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

How TR 471 Allison Rd compares

▼ 26.7
Load rating vs Ohio average (37.5 t)
Bottom 2%
Lower load rating than 98% of Ohio bridges
309
Bridges in Athens · 21 in Poor condition
TR 471 Allison Rd 10.8 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
19.7 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
5.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Superstructure
3/9
Poor (1–4)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
10.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1936
Material
Concrete
Number of Spans
1
Structure Length
8.2 m (27 ft)
Deck Width
4.6 m (15 ft)
Owner
County Highway Agency
Avg Daily Traffic
40 vehicles/day
Structure Number
0547867

Condition Analysis

  • At 3/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) is in poor condition (3/9), showing advanced deterioration that may require priority repair.

How to read this record

TR 471 Allison Rd 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 TR 471 Allison Rd against other structures in Athens and across Ohio. Ohio 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 TR 471 Allison Rd?

TR 471 Allison Rd in Athens, Ohio has a deck rating of 3/9, superstructure rating of 3/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is TR 471 Allison Rd inspected?

TR 471 Allison Rd'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 40 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TR 471 Allison Rd 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 TR 471 Allison Rd?

TR 471 Allison Rd has an NBI inventory load rating of 10.8 metric tons.

Who is responsible for maintaining TR 471 Allison Rd?

TR 471 Allison Rd is owned and maintained by County Highway Agency.

How old is TR 471 Allison Rd and does age affect safety?

TR 471 Allison Rd was built in 1936, making it 90 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.