FHWA NBI 2024 Inspection record Public-domain dataset

MD 392

Carrying MD 392 over MARSHYHOPE CREEK

2.35 MILES EAST OF MD 331, Dorchester, Maryland

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
74 t Inventory load rating Higher than 85% of rated Maryland bridges

MD 392 in Dorchester, Maryland sits above 85% of rated Maryland bridges on inventory load rating (74 t), while its 1999 build year is earlier than 9% of Dorchester's recorded-year cohort (47 bridges).

MD 392 in Dorchester, Maryland is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1999, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:100000090015010

LATE-CENTURY · PRESTRESS · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • LONG-SPAN-RUN 6 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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 392

The MD 392 bridge in Dorchester, Maryland carries MD 392 over MARSHYHOPE CREEK. It was built in 1999, making it 27 years old today. The structure is built primarily of prestressed concrete continuous and spans 6 sections, stretching 178.3 meters (585 feet) end to end. Daily traffic averages 3,502 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How MD 392 compares

▲ 23.8
Load rating vs Maryland average (50.1 t; 5,479 of 5,484 rated)
47
Bridges in Dorchester · 5 in Poor condition

Age against the county: built in 1999, earlier than 4 of Dorchester's 47 bridges with a recorded construction year (9%), against a county median build year of 1987. This is one of the newer structures in its county.

MD 392 73.9 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 392 vs every rated Maryland bridge

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

74 Top 15% higher than 85% 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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
73.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Dorchester inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 47 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
1999
Material
Prestressed Concrete Continuous
Number of Spans
6
Structure Length
178.3 m (585 ft)
Deck Width
10.1 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,502 vehicles/day
Structure Number
100000090015010

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether MD 392 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 392 against other structures in Dorchester 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 392?

MD 392 in Dorchester, Maryland has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MD 392 inspected?

MD 392'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 3,502 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MD 392 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 392?

MD 392 has an NBI inventory load rating of 73.9 metric tons.

Who is responsible for maintaining MD 392?

MD 392 is owned and maintained by State Highway Agency.

How old is MD 392 and does age affect safety?

MD 392 was built in 1999, making it 27 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.