Merrimac Road /657
Carrying Merrimac Road /657 over Slate Creek
0.00-Rte 808;0.01-Rte 701, Montgomery, Virginia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Merrimac Road /657
The Merrimac Road /657 bridge in Montgomery, Virginia carries Merrimac Road /657 over Slate Creek. It was built in 1932, making it 94 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 3,611 vehicles, placing it in the moderately-trafficked tier of Virginia 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 36.3 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Merrimac Road /657 compares
Live comparison across Virginia.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1932
- Last Reconstructed
- 1999
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 7.3 m (24 ft)
- Deck Width
- 7.4 m (24 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 3,611 vehicles/day
- Structure Number
- 000000000012285
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
How to read this record
This page shows what the last federal inspection recorded, not whether Merrimac Road /657 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 Merrimac Road /657 against other structures in Montgomery and across Virginia. Virginia 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 Merrimac Road /657?
Merrimac Road /657 in Montgomery, Virginia 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 Merrimac Road /657 inspected?
Merrimac Road /657'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 3,611 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Merrimac Road /657 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 Merrimac Road /657?
Merrimac Road /657 has an NBI inventory load rating of 36.3 metric tons.
Who is responsible for maintaining Merrimac Road /657?
Merrimac Road /657 is owned and maintained by State Highway Agency.
How old is Merrimac Road /657 and does age affect safety?
Merrimac Road /657 was built in 1932, making it 94 years old and last reconstructed in 1999.
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.
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.