FHWA NBI 2024 Inspection record Public-domain dataset

RANNOCH ROAD

Carrying RANNOCH ROAD over MINNEHAHA BRANCH

0.05 MILES WEST OF MD 614, Montgomery, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: RANNOCH ROAD

The RANNOCH ROAD bridge in Montgomery, Maryland carries RANNOCH ROAD over MINNEHAHA BRANCH. It was built in 1920, making it 106 years old today. The structure is built primarily of concrete, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 897 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 culvert at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.7 metric tons.

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

How RANNOCH ROAD compares

▼ 18.4
Load rating vs Maryland average (51.1 t)
Bottom 17%
Lower load rating than 83% of Maryland bridges
522
Bridges in Montgomery · 24 in Poor condition
RANNOCH ROAD 32.7 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
85.9 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
28.0
Essentiality /15
14.9
Special reductions
−2.0

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 How the historical reference is calculated.

Condition Ratings

Culvert
5/9
Fair (5–6)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1920
Material
Concrete
Structure Length
6.4 m (21 ft)
Deck Width
12.5 m (41 ft)
Owner
County Highway Agency
Avg Daily Traffic
897 vehicles/day
Structure Number
200000M-0152020

How to read this record

This page shows what the last federal inspection recorded, not whether RANNOCH 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 RANNOCH ROAD against other structures in Montgomery 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 RANNOCH ROAD?

RANNOCH ROAD in Montgomery, Maryland on the FHWA's 0–9 scale.

How often is RANNOCH ROAD inspected?

RANNOCH 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 897 vehicles per day.

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

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

RANNOCH ROAD has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining RANNOCH ROAD?

RANNOCH ROAD is owned and maintained by County Highway Agency.

How old is RANNOCH ROAD and does age affect safety?

RANNOCH ROAD was built in 1920, making it 106 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.