FHWA NBI 2024 Inspection record Public-domain dataset

MD 51

Carrying MD 51 over EVITTS CREEK

0.14 MI E OF CUMBERLAND, Allegany, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
39 t Inventory load rating

Bridge Snapshot: MD 51

The MD 51 bridge in Allegany, Maryland carries MD 51 over EVITTS CREEK. It was built in 1957, making it 69 years old today. It was last reconstructed in 1990, extending its service life. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 46.9 meters (154 feet) end to end. Daily traffic averages 12,092 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 a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 38.5 metric tons.

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

How MD 51 compares

▼ 12.6
Load rating vs Maryland average (51.1 t)
Bottom 37%
Lower load rating than 63% of Maryland bridges
245
Bridges in Allegany · 15 in Poor condition
MD 51 38.5 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
86.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
23.0
Essentiality /15
8.8
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1957
Last Reconstructed
1990
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
46.9 m (154 ft)
Deck Width
27.5 m (90 ft)
Owner
State Highway Agency
Avg Daily Traffic
12,092 vehicles/day
Structure Number
100000010044010

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether MD 51 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 51 against other structures in Allegany 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 51?

MD 51 in Allegany, Maryland has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MD 51 inspected?

MD 51'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 12,092 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MD 51 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for MD 51?

MD 51 has an NBI inventory load rating of 38.5 metric tons.

Who is responsible for maintaining MD 51?

MD 51 is owned and maintained by State Highway Agency.

How old is MD 51 and does age affect safety?

MD 51 was built in 1957, making it 69 years old and last reconstructed in 1990.

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.