FHWA NBI 2024 Inspection record Public-domain dataset

OLD NEW WINDSOR RD

Carrying OLD NEW WINDSOR RD over DICKENSON RUN

0.02 MI S OF NEW WINDSOR, Carroll, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
63 t Inventory load rating

Bridge Snapshot: OLD NEW WINDSOR RD

The OLD NEW WINDSOR RD bridge in Carroll, Maryland carries OLD NEW WINDSOR RD over DICKENSON RUN. It was built in 1987, making it 39 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 1,058 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by County 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 63.0 metric tons.

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

How OLD NEW WINDSOR RD compares

▲ 11.9
Load rating vs Maryland average (51.1 t)
Top 25%
Higher load rating than 75% of Maryland bridges
205
Bridges in Carroll · 11 in Poor condition
OLD NEW WINDSOR RD 63.0 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
79.7 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
13.0
Essentiality /15
14.7
Special reductions
−3.0

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 How the historical reference is calculated.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
63.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1987
Material
Concrete
Number of Spans
1
Structure Length
8.8 m (29 ft)
Deck Width
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,058 vehicles/day
Structure Number
200000CL0252010

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 OLD NEW WINDSOR RD 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 OLD NEW WINDSOR RD 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 OLD NEW WINDSOR RD?

OLD NEW WINDSOR RD in Carroll, 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 OLD NEW WINDSOR RD inspected?

OLD NEW WINDSOR RD'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 1,058 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD NEW WINDSOR RD 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 OLD NEW WINDSOR RD?

OLD NEW WINDSOR RD has an NBI inventory load rating of 63.0 metric tons.

Who is responsible for maintaining OLD NEW WINDSOR RD?

OLD NEW WINDSOR RD is owned and maintained by County Highway Agency.

How old is OLD NEW WINDSOR RD and does age affect safety?

OLD NEW WINDSOR RD was built in 1987, making it 39 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.