FHWA NBI 2024 Inspection record Public-domain dataset

LOWER DILLSBORO RD

Carrying LOWER DILLSBORO RD over BRANCH OF S HOGAN CREEK

01.50 NE US 50, Dearborn, Indiana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
36 t Inventory load rating Higher than 63% of rated Indiana bridges

LOWER DILLSBORO RD in Dearborn, Indiana sits above 63% of rated Indiana bridges on inventory load rating (36 t), while its 1985 build year is earlier than 42% of Dearborn's recorded-year cohort (145 bridges).

LOWER DILLSBORO RD in Dearborn, Indiana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1985, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure IN:1500111

LATE-CENTURY · STEEL · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: LOWER DILLSBORO RD

The LOWER DILLSBORO RD bridge in Dearborn, Indiana carries LOWER DILLSBORO RD over BRANCH OF S HOGAN CREEK. It was built in 1985, making it 41 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 90 vehicles, placing it in the lower-traffic tier of Indiana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How LOWER DILLSBORO RD compares

▲ 0.4
Load rating vs Indiana average (35.5 t; 19,495 rated)
145
Bridges in Dearborn · 18 in Poor condition

Age against the county: built in 1985, earlier than 61 of Dearborn's 145 bridges with a recorded construction year (42%), against a county median build year of 1979. This is one of the newer structures in its county.

LOWER DILLSBORO RD 35.9 t
Indiana average (19,495 rated) 35.5 t

Live comparison across Indiana bridges with a recorded inventory load rating (19,495 rated).

LOWER DILLSBORO RD vs every rated Indiana bridge

Inventory load rating (metric tons), FHWA NBI, this state

36 Top 37% higher than 63% of 19,495 bridges

rated Indiana bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
4/9
Poor (1–4)
Inventory Load Rating
35.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Dearborn inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 145 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1985
Material
Steel
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
5.5 m (18 ft)
Owner
County Highway Agency
Avg Daily Traffic
90 vehicles/day
Structure Number
1500111

How to read this record

LOWER DILLSBORO 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 LOWER DILLSBORO RD against other structures in Dearborn and across Indiana. Indiana 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 LOWER DILLSBORO RD?

LOWER DILLSBORO RD in Dearborn, Indiana on the FHWA's 0–9 scale.

How often is LOWER DILLSBORO RD inspected?

LOWER DILLSBORO 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 90 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LOWER DILLSBORO 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 LOWER DILLSBORO RD?

LOWER DILLSBORO RD has an NBI inventory load rating of 35.9 metric tons.

Who is responsible for maintaining LOWER DILLSBORO RD?

LOWER DILLSBORO RD is owned and maintained by County Highway Agency.

How old is LOWER DILLSBORO RD and does age affect safety?

LOWER DILLSBORO RD 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.