MARION COUNTY 18
Carrying MARION COUNTY 18 over PLUM RUN
0.18 MI SOUTH CO RT 18/1, Marion, West Virginia
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MARION COUNTY 18
The MARION COUNTY 18 bridge in Marion, West Virginia carries MARION COUNTY 18 over PLUM RUN. It was built in 1925, making it 101 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.3 meters (31 feet) end to end. Daily traffic averages 350 vehicles, placing it in the lower-traffic tier of West Virginia bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show superstructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 20.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MARION COUNTY 18 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 How the historical reference is calculated.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
- 1925
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 9.3 m (31 ft)
- Deck Width
- 5.7 m (19 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 350 vehicles/day
- Structure Number
- 00000000025A039
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
MARION COUNTY 18 is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare MARION COUNTY 18 against other structures in Marion 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 MARION COUNTY 18?
MARION COUNTY 18 in Marion, West Virginia, superstructure rating of 4/9 on the FHWA's 0–9 scale.
How often is MARION COUNTY 18 inspected?
MARION COUNTY 18'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 350 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MARION COUNTY 18 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for MARION COUNTY 18?
MARION COUNTY 18 has an NBI inventory load rating of 20.0 metric tons.
Who is responsible for maintaining MARION COUNTY 18?
MARION COUNTY 18 is owned and maintained by State Highway Agency.
How old is MARION COUNTY 18 and does age affect safety?
MARION COUNTY 18 was built in 1925, making it 101 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.