HARRISON CO RT 31
Carrying HARRISON CO RT 31 over TENMILE CREEK
0.84 MI NORTH CO RT 31/1, Harrison, West Virginia
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
HARRISON CO RT 31 in Harrison, West Virginia sits above 22% of rated West Virginia bridges on inventory load rating (29 t), while its 1986 build year is earlier than 39% of Harrison's recorded-year cohort (256 bridges).
HARRISON CO RT 31 in Harrison, West Virginia is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1986, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:00000000017A165
LATE-CENTURY · STEEL · SINGLE-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR
- LATE-CENTURY 1980–1999
- STEEL Steel
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
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: HARRISON CO RT 31
The HARRISON CO RT 31 bridge in Harrison, West Virginia carries HARRISON CO RT 31 over TENMILE CREEK. It was built in 1986, making it 40 years old today. The structure is built primarily of steel continuous and spans 1 section, stretching 38.1 meters (125 feet) end to end. Daily traffic averages 850 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 a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How HARRISON CO RT 31 compares
Age against the county: built in 1986, earlier than 101 of Harrison's 256 bridges with a recorded construction year (39%), against a county median build year of 1977. This is one of the newer structures in its county.
Live comparison across West Virginia bridges with a recorded inventory load rating (7,347 of 7,348 rated).
HARRISON CO RT 31 vs every rated West Virginia bridge
Inventory load rating (metric tons), FHWA NBI, this state
29 Top 78% higher than 22% 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.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Harrison inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 256 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
- 1986
- Material
- Steel Continuous
- Number of Spans
- 1
- Structure Length
- 38.1 m (125 ft)
- Deck Width
- 8.4 m (28 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 850 vehicles/day
- Structure Number
- 00000000017A165
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
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 HARRISON CO RT 31 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 HARRISON CO RT 31 against other structures in Harrison 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 HARRISON CO RT 31?
HARRISON CO RT 31 in Harrison, West Virginia has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is HARRISON CO RT 31 inspected?
HARRISON CO RT 31'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 850 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. HARRISON CO RT 31 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 HARRISON CO RT 31?
HARRISON CO RT 31 has an NBI inventory load rating of 29.0 metric tons.
Who is responsible for maintaining HARRISON CO RT 31?
HARRISON CO RT 31 is owned and maintained by State Highway Agency.
How old is HARRISON CO RT 31 and does age affect safety?
HARRISON CO RT 31 was built in 1986, making it 40 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.