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

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
87 t Inventory load rating

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. Its NBI inventory load rating is 86.6 metric tons.

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

How BROWN ROAD compares

▲ 35.5
Load rating vs Maryland average (51.1 t)
Top 13%
Higher load rating than 87% of Maryland bridges
205
Bridges in Carroll · 11 in Poor condition
BROWN ROAD 86.6 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
72.9 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
28.0
Essentiality /15
14.9
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 How the historical reference is calculated.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

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.

Structural Details

Year Built
1985
Material
Steel
Structure Length
11.0 m (36 ft)
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

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.