FHWA NBI 2024 Inspection record Public-domain dataset

PETROLEUM RD

Carrying PETROLEUM RD over LITTLE TRAMMEL CREEK

0.2 MI. E JCT US 31E, Allen, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Structurally Deficient
0 t Inventory load rating

Bridge Snapshot: PETROLEUM RD

The PETROLEUM RD bridge in Allen, Kentucky carries PETROLEUM RD over LITTLE TRAMMEL CREEK. It was built in 1975, making it 51 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 164 vehicles, placing it in the lower-traffic tier of Kentucky bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 2/9. The weakest component sits in critical condition. This bridge is FHWA-classified as structurally deficient, a component scored 4 or below, which is a maintenance and funding flag, not a closure order. Its NBI inventory load rating is 0.1 metric tons.

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

How PETROLEUM RD compares

▼ 39.1
Load rating vs Kentucky average (39.2 t)
Bottom 1%
Lower load rating than 99% of Kentucky bridges
88
Bridges in Allen · 5 structurally deficient
PETROLEUM RD 0.1 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Sufficiency Rating

PlainBridge-computed
21.6 / 100 - Deficient, eligible for replacement funding
Structural adequacy /55
0.0
Serviceability /30
7.0
Essentiality /15
14.6
Special reductions
0

How this is calculated.

Condition Ratings

Deck
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
2/9
Poor (1–4)
Inventory Load Rating
0.1 t
NBI inventory level (metric tons)
SD Status
Structurally Deficient

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

Structural Details

Year Built
1975
Material
Prestressed Concrete
Number of Spans
1
Structure Length
11.6 m (38 ft)
Deck Width
7.0 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
164 vehicles/day
Structure Number
002C00033N

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates critical at 2/9, severe deterioration that needs urgent attention.

How to read this record

PETROLEUM RD is flagged structurally deficient, a federal repair-and-funding flag, not a closure order. Here is how to read that.

  • NBI condition ratings reflect the most recent inspection, which can be up to 24 months old, treat them as a snapshot, not a live status.
  • Understand what "structurally deficient" does and does not mean before drawing conclusions. What "structurally deficient" means
  • Compare PETROLEUM RD against other structures in Allen and across Kentucky. Kentucky 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 PETROLEUM RD?

PETROLEUM RD in Allen, Kentucky has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is PETROLEUM RD inspected?

PETROLEUM RD follows the FHWA's national bridge inspection cycle. It carries about 164 vehicles per day.

What does "structurally deficient" mean for a bridge?

PETROLEUM RD is currently classified as structurally deficient, a federal repair-and-funding flag, not a closure order.

What is the inventory load rating for PETROLEUM RD?

PETROLEUM RD has an NBI inventory load rating of 0.1 metric tons.

Who is responsible for maintaining PETROLEUM RD?

PETROLEUM RD is owned and maintained by County Highway Agency.

How old is PETROLEUM RD and does age affect safety?

PETROLEUM RD was built in 1975, making it 51 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A structurally deficient rating does not mean a bridge is closed or unsafe for travel, it indicates the bridge requires repair or replacement. For current closure or safety information, contact your state DOT.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

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.