FHWA NBI 2024 Inspection record Public-domain dataset

I-77S RAMP WR

Carrying I-77S RAMP WR over CHARLESTON MAINT. LOT

0.43 MILES EAST OF US 60, Kanawha, West Virginia

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
37 t Inventory load rating Lower than 57% of rated West Virginia bridges

I-77S RAMP WR in Kanawha, West Virginia sits above 43% of rated West Virginia bridges on inventory load rating (37 t), while its 1975 build year is earlier than 61% of Kanawha's recorded-year cohort (554 bridges).

I-77S RAMP WR in Kanawha, West Virginia is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1975, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:00000000020A428

INTERSTATE-ERA · STEEL · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

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: I-77S RAMP WR

The I-77S RAMP WR bridge in Kanawha, West Virginia carries I-77S RAMP WR over CHARLESTON MAINT. LOT. It was built in 1975, making it 51 years old today. The structure is built primarily of steel continuous and spans 1 section, stretching 129.0 meters (423 feet) end to end. Daily traffic averages 4,500 vehicles, placing it in the moderately-trafficked 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 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How I-77S RAMP WR compares

▼ 3.4
Load rating vs West Virginia average (40.6 t; 7,347 of 7,348 rated)
554
Bridges in Kanawha · 69 in Poor condition

Age against the county: built in 1975, earlier than 339 of Kanawha's 554 bridges with a recorded construction year (61%), against a county median build year of 1981. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

I-77S RAMP WR 37.2 t
West Virginia average (7,347 of 7,348 rated) 40.6 t

Live comparison across West Virginia bridges with a recorded inventory load rating (7,347 of 7,348 rated).

I-77S RAMP WR vs every rated West Virginia bridge

Inventory load rating (metric tons), FHWA NBI, this state

37 Top 57% higher than 43% 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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
37.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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.

Kanawha inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 554 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
1975
Material
Steel Continuous
Number of Spans
1
Structure Length
129.0 m (423 ft)
Deck Width
9.2 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,500 vehicles/day
Structure Number
00000000020A428

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 I-77S RAMP WR 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-77S RAMP WR against other structures in Kanawha 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-77S RAMP WR?

I-77S RAMP WR in Kanawha, West 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 I-77S RAMP WR inspected?

I-77S RAMP WR'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 4,500 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. I-77S RAMP WR 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-77S RAMP WR?

I-77S RAMP WR has an NBI inventory load rating of 37.2 metric tons.

Who is responsible for maintaining I-77S RAMP WR?

I-77S RAMP WR is owned and maintained by State Highway Agency.

How old is I-77S RAMP WR and does age affect safety?

I-77S RAMP WR was built in 1975, making it 51 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.