FHWA NBI 2024 Inspection record Public-domain dataset

I-635 NB HIGHWAY

Carrying I-635 NB HIGHWAY over 38TH STREET

1.80 MILES N US-24, Wyandotte, Kansas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
38 t Inventory load rating Higher than 76% of rated Kansas bridges

I-635 NB HIGHWAY in Wyandotte, Kansas is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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 KS:999963501050571

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • DECK-LED Deck-led
  • HEAVY-ADT Heavy 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: I-635 NB HIGHWAY

The I-635 NB HIGHWAY bridge in Wyandotte, Kansas carries I-635 NB HIGHWAY over 38TH STREET. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 68.1 meters (223 feet) end to end. Daily traffic averages 24,400 vehicles, placing it in the heavily-trafficked tier of Kansas bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How I-635 NB HIGHWAY compares

▲ 8.7
Load rating vs Kansas average (29.2 t; 24,893 of 24,894 rated)
315
Bridges in Wyandotte · 9 in Poor condition

Age against the county: built in 1970, earlier than 223 of Wyandotte's 315 bridges with a recorded construction year (71%), against a county median build year of 1982. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

I-635 NB HIGHWAY 37.9 t
Kansas average (24,893 of 24,894 rated) 29.2 t

Live comparison across Kansas bridges with a recorded inventory load rating (24,893 of 24,894 rated).

I-635 NB HIGHWAY vs every rated Kansas bridge

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

38 Top 24% higher than 76% of 24,893 bridges

rated Kansas 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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
37.9 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.

Wyandotte inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 315 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
1970
Material
Concrete Continuous
Number of Spans
3
Structure Length
68.1 m (223 ft)
Deck Width
16.9 m (55 ft)
Owner
State Highway Agency
Avg Daily Traffic
24,400 vehicles/day
Structure Number
999963501050571

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether I-635 NB HIGHWAY 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-635 NB HIGHWAY against other structures in Wyandotte and across Kansas. Kansas 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-635 NB HIGHWAY?

I-635 NB HIGHWAY in Wyandotte, Kansas has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is I-635 NB HIGHWAY inspected?

I-635 NB HIGHWAY'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 24,400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I-635 NB HIGHWAY 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-635 NB HIGHWAY?

I-635 NB HIGHWAY has an NBI inventory load rating of 37.9 metric tons.

Who is responsible for maintaining I-635 NB HIGHWAY?

I-635 NB HIGHWAY is owned and maintained by State Highway Agency.

How old is I-635 NB HIGHWAY and does age affect safety?

I-635 NB HIGHWAY was built in 1970, making it 56 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.