MARION COUNTY 18
Carrying MARION COUNTY 18 over PLUM RUN
0.18 MI SOUTH CO RT 18/1, Marion, West Virginia
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
MARION COUNTY 18 in Marion, West Virginia sits above 8% of rated West Virginia bridges on inventory load rating (20 t), while its 1925 build year is earlier than 86% of Marion's recorded-year cohort (193 bridges).
MARION COUNTY 18 in Marion, West Virginia is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1925, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure WV:00000000025A039
PRE-1950 · CONCRETE · SINGLE-SPAN · SUPER-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- SINGLE-SPAN Single span
- SUPER-LED Superstructure-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
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.
How MARION COUNTY 18 compares
Age against the county: built in 1925, earlier than 166 of Marion's 193 bridges with a recorded construction year (86%), against a county median build year of 1988. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across West Virginia bridges with a recorded inventory load rating (7,347 of 7,348 rated).
MARION COUNTY 18 vs every rated West Virginia bridge
Inventory load rating (metric tons), FHWA NBI, this state
20 Top 92% higher than 8% of 7,347 bridges
rated West Virginia bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Marion inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 193 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
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
Condition Analysis
- • The superstructure (beams and supports above the deck) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.