FHWA NBI 2024 Inspection record Public-domain dataset

BROWN ROAD

Carrying BROWN ROAD over ROARING RUN

0.2 MI NE OF MD 140, Carroll, Maryland

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
87 t Inventory load rating Higher than 89% of rated Maryland bridges

BROWN ROAD in Carroll, Maryland sits above 89% of rated Maryland bridges on inventory load rating (87 t), while its 1985 build year is earlier than 23% of Carroll's recorded-year cohort (205 bridges).

BROWN ROAD in Carroll, Maryland 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 MD:200000CL0346030

LATE-CENTURY · STEEL · SHORT-BRIDGE · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-POOR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • SHORT-BRIDGE 11.0 m
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy 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: BROWN ROAD

The BROWN ROAD bridge in Carroll, Maryland carries BROWN ROAD over ROARING RUN. It was built in 1985, making it 41 years old today. The structure is built primarily of steel, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 395 vehicles, placing it in the lower-traffic tier of Maryland 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. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How BROWN ROAD compares

▲ 36.5
Load rating vs Maryland average (50.1 t; 5,479 of 5,484 rated)
205
Bridges in Carroll · 11 in Poor condition

Age against the county: built in 1985, earlier than 48 of Carroll's 205 bridges with a recorded construction year (23%), against a county median build year of 1974. This is one of the newer structures in its county.

BROWN ROAD 86.6 t
Maryland average (5,479 of 5,484 rated) 50.1 t

Live comparison across Maryland bridges with a recorded inventory load rating (5,479 of 5,484 rated).

BROWN ROAD vs every rated Maryland bridge

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

87 Top 11% higher than 89% of 5,479 bridges

rated Maryland 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
86.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Carroll inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 205 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
Structure Length
11.0 m (36 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
395 vehicles/day
Structure Number
200000CL0346030

How to read this record

BROWN ROAD 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 BROWN ROAD against other structures in Carroll and across Maryland. Maryland 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 BROWN ROAD?

BROWN ROAD in Carroll, Maryland on the FHWA's 0–9 scale.

How often is BROWN ROAD inspected?

BROWN ROAD'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 395 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BROWN ROAD 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 BROWN ROAD?

BROWN ROAD has an NBI inventory load rating of 86.6 metric tons.

Who is responsible for maintaining BROWN ROAD?

BROWN ROAD is owned and maintained by County Highway Agency.

How old is BROWN ROAD and does age affect safety?

BROWN ROAD 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

Share this inspection record

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.