I-79 & Mon Co 46/3
Carrying I-79 & Mon Co 46/3 over MINE TRACK BED
0.60 mi N.of Mon Co 46/7, Monongalia, West Virginia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: I-79 & Mon Co 46/3
The I-79 & Mon Co 46/3 bridge in Monongalia, West Virginia carries I-79 & Mon Co 46/3 over MINE TRACK BED. It was built in 1969, making it 57 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 36,000 vehicles, placing it in the heavily-trafficked tier of West Virginia bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert 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 73.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How I-79 & Mon Co 46/3 compares
Live comparison across West 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 How the historical reference is calculated.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
- 1969
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 6.4 m (21 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 36,000 vehicles/day
- Structure Number
- 00000000031A173
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether I-79 & Mon Co 46/3 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 I-79 & Mon Co 46/3 against other structures in Monongalia and across West Virginia. West 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 I-79 & Mon Co 46/3?
I-79 & Mon Co 46/3 in Monongalia, West Virginia on the FHWA's 0–9 scale.
How often is I-79 & Mon Co 46/3 inspected?
I-79 & Mon Co 46/3'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 36,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I-79 & Mon Co 46/3 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 I-79 & Mon Co 46/3?
I-79 & Mon Co 46/3 has an NBI inventory load rating of 73.5 metric tons.
Who is responsible for maintaining I-79 & Mon Co 46/3?
I-79 & Mon Co 46/3 is owned and maintained by State Highway Agency.
How old is I-79 & Mon Co 46/3 and does age affect safety?
I-79 & Mon Co 46/3 was built in 1969, making it 57 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.
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.