FHWA NBI 2024 Inspection record Public-domain dataset

HANGING ROCK ROAD

Carrying HANGING ROCK ROAD over LANES RUN

0.15 MI N OF LANES RUN RD, Washington, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating

Bridge Snapshot: HANGING ROCK ROAD

The HANGING ROCK ROAD bridge in Washington, Maryland carries HANGING ROCK ROAD over LANES RUN. It was built in 1984, making it 42 years old today. The structure is built primarily of steel and spans 1 section, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 340 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 a deck rating of 7/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 36.7 metric tons.

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

How HANGING ROCK ROAD compares

▼ 14.4
Load rating vs Maryland average (51.1 t)
Bottom 33%
Lower load rating than 67% of Maryland bridges
301
Bridges in Washington · 9 in Poor condition
HANGING ROCK ROAD 36.7 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
66.8 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
10.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
36.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1984
Material
Steel
Number of Spans
1
Structure Length
9.1 m (30 ft)
Deck Width
4.4 m (14 ft)
Owner
County Highway Agency
Avg Daily Traffic
340 vehicles/day
Structure Number
200000W-0611010

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether HANGING ROCK ROAD 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 HANGING ROCK ROAD against other structures in Washington 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 HANGING ROCK ROAD?

HANGING ROCK ROAD in Washington, Maryland has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is HANGING ROCK ROAD inspected?

HANGING ROCK ROAD'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 340 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HANGING ROCK ROAD 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 HANGING ROCK ROAD?

HANGING ROCK ROAD has an NBI inventory load rating of 36.7 metric tons.

Who is responsible for maintaining HANGING ROCK ROAD?

HANGING ROCK ROAD is owned and maintained by County Highway Agency.

How old is HANGING ROCK ROAD and does age affect safety?

HANGING ROCK ROAD was built in 1984, making it 42 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.