FHWA NBI 2024 Inspection record Public-domain dataset

RED DAHLIA DRIVE

Carrying RED DAHLIA DRIVE over UNNAMED STREAM

800' S of Old Frederick R, Howard, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
100 t Inventory load rating

Bridge Snapshot: RED DAHLIA DRIVE

The RED DAHLIA DRIVE bridge in Howard, Maryland carries RED DAHLIA DRIVE over UNNAMED STREAM. It was built in 1995, making it 31 years old today. The structure is built primarily of steel and spans 1 section, stretching 8.4 meters (28 feet) end to end. Daily traffic averages 20 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 superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 99.9 metric tons.

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

How RED DAHLIA DRIVE compares

▲ 48.8
Load rating vs Maryland average (51.1 t)
Top 12%
Higher load rating than 88% of Maryland bridges
310
Bridges in Howard · 18 in Poor condition
RED DAHLIA DRIVE 99.9 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
94.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
Special reductions
−5.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1995
Material
Steel
Number of Spans
1
Structure Length
8.4 m (28 ft)
Deck Width
8.2 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
20 vehicles/day
Structure Number
200000HO0254010

Condition Analysis

  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 RED DAHLIA DRIVE 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 RED DAHLIA DRIVE against other structures in Howard 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 RED DAHLIA DRIVE?

RED DAHLIA DRIVE in Howard, Maryland, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is RED DAHLIA DRIVE inspected?

RED DAHLIA DRIVE'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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RED DAHLIA DRIVE 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 RED DAHLIA DRIVE?

RED DAHLIA DRIVE has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining RED DAHLIA DRIVE?

RED DAHLIA DRIVE is owned and maintained by County Highway Agency.

How old is RED DAHLIA DRIVE and does age affect safety?

RED DAHLIA DRIVE was built in 1995, making it 31 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.