FHWA NBI 2024 Inspection record Public-domain dataset

I35 HWY NB

Carrying I35 HWY NB over SW BLVD RR I35 SB RMP

1.23 MI NE US 69, Wyandotte, Kansas

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
40 t Inventory load rating Higher than 79% of rated Kansas bridges

I35 HWY NB in Wyandotte, Kansas is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1964, 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:999903501050101

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 10 spans
  • TIED-CTRL Tied control
  • 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: I35 HWY NB

The I35 HWY NB bridge in Wyandotte, Kansas carries I35 HWY NB over SW BLVD RR I35 SB RMP. It was built in 1964, making it 62 years old today. It was last reconstructed in 1989, extending its service life. The structure is built primarily of steel continuous and spans 10 sections, stretching 196.6 meters (645 feet) end to end. Daily traffic averages 36,350 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 7/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How I35 HWY NB compares

▲ 10.7
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 1964, earlier than 250 of Wyandotte's 315 bridges with a recorded construction year (79%), 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.

I35 HWY NB 39.9 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).

I35 HWY NB vs every rated Kansas bridge

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

40 Top 21% higher than 79% 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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
39.9 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
1964
Last Reconstructed
1989
Material
Steel Continuous
Number of Spans
10
Structure Length
196.6 m (645 ft)
Deck Width
16.9 m (55 ft)
Owner
State Highway Agency
Avg Daily Traffic
36,350 vehicles/day
Structure Number
999903501050101

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether I35 HWY NB 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 I35 HWY NB 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 I35 HWY NB?

I35 HWY NB in Wyandotte, Kansas has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is I35 HWY NB inspected?

I35 HWY NB'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 36,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I35 HWY NB 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 I35 HWY NB?

I35 HWY NB has an NBI inventory load rating of 39.9 metric tons.

Who is responsible for maintaining I35 HWY NB?

I35 HWY NB is owned and maintained by State Highway Agency.

How old is I35 HWY NB and does age affect safety?

I35 HWY NB was built in 1964, making it 62 years old and last reconstructed in 1989.

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

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.

XFacebookLinkedInWhatsAppEmail

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.