FHWA NBI 2024 Inspection record Public-domain dataset

I-26 WBL

Carrying I-26 WBL over SR1142

0.20 MI.E.JCT.SR1006, Polk, North Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
45 t Inventory load rating Higher than 59% of rated North Carolina bridges

I-26 WBL in Polk, North Carolina is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1969, 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 NC:000000001490098

INTERSTATE-ERA · STEEL · MULTI-SPAN · SUPER-LED · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • SUPER-LED Superstructure-led
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy 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: I-26 WBL

The I-26 WBL bridge in Polk, North Carolina carries I-26 WBL over SR1142. It was built in 1969, making it 57 years old today. It was last reconstructed in 2015, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 58.8 meters (193 feet) end to end. Daily traffic averages 19,500 vehicles, placing it in the heavily-trafficked tier of North Carolina bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How I-26 WBL compares

▲ 0.7
Load rating vs North Carolina average (44.6 t; 19,160 of 19,210 rated)
127
Bridges in Polk · 14 in Poor condition

Age against the county: built in 1969, earlier than 71 of Polk's 127 bridges with a recorded construction year (56%), against a county median build year of 1975. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

I-26 WBL 45.3 t
North Carolina average (19,160 of 19,210 rated) 44.6 t

Live comparison across North Carolina bridges with a recorded inventory load rating (19,160 of 19,210 rated).

I-26 WBL vs every rated North Carolina bridge

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

45 Top 41% higher than 59% of 19,160 bridges

rated North Carolina 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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
45.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Polk inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 127 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
1969
Last Reconstructed
2015
Material
Steel
Number of Spans
3
Structure Length
58.8 m (193 ft)
Deck Width
12.8 m (42 ft)
Owner
State Highway Agency
Avg Daily Traffic
19,500 vehicles/day
Structure Number
000000001490098

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether I-26 WBL 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-26 WBL against other structures in Polk and across North Carolina. North Carolina 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-26 WBL?

I-26 WBL in Polk, North Carolina has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is I-26 WBL inspected?

I-26 WBL'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 19,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I-26 WBL 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 I-26 WBL?

I-26 WBL has an NBI inventory load rating of 45.3 metric tons.

Who is responsible for maintaining I-26 WBL?

I-26 WBL is owned and maintained by State Highway Agency.

How old is I-26 WBL and does age affect safety?

I-26 WBL was built in 1969, making it 57 years old and last reconstructed in 2015.

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.