FHWA NBI 2024 Inspection record Public-domain dataset

MD 27

Carrying MD 27 over LITTLE PIPE CREEK

0.4 MILE NORTH OF MD 808B, Carroll, Maryland

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
100 t Inventory load rating Higher than 90% of rated Maryland bridges

MD 27 in Carroll, Maryland sits above 90% of rated Maryland bridges on inventory load rating (100 t), while its 1991 build year is earlier than 15% of Carroll's recorded-year cohort (205 bridges).

MD 27 in Carroll, Maryland is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1991, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:100000060067030

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

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • SHORT-BRIDGE 6.2 m
  • CULVERT-LED Culvert-led
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

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: MD 27

The MD 27 bridge in Carroll, Maryland carries MD 27 over LITTLE PIPE CREEK. It was built in 1991, making it 35 years old today. The structure is built primarily of steel, stretching 6.2 meters (20 feet) end to end. Daily traffic averages 10,690 vehicles, placing it in the heavily-trafficked tier of Maryland bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How MD 27 compares

▲ 49.8
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 1991, earlier than 30 of Carroll's 205 bridges with a recorded construction year (15%), against a county median build year of 1974. This is one of the newer structures in its county.

MD 27 99.9 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).

MD 27 vs every rated Maryland bridge

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

100 Top 10% higher than 90% 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
5/9
Fair (5–6)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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
1991
Material
Steel
Structure Length
6.2 m (20 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
10,690 vehicles/day
Structure Number
100000060067030

How to read this record

This page shows what the last federal inspection recorded, not whether MD 27 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare MD 27 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 MD 27?

MD 27 in Carroll, Maryland on the FHWA's 0–9 scale.

How often is MD 27 inspected?

MD 27'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 10,690 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MD 27 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for MD 27?

MD 27 has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining MD 27?

MD 27 is owned and maintained by State Highway Agency.

How old is MD 27 and does age affect safety?

MD 27 was built in 1991, making it 35 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.