FHWA NBI 2024 Inspection record Public-domain dataset

K15 HWY

Carrying K15 HWY over ROAD,ANTELOPE CR

0.00 MI NW COWLEY COLN, Sumner, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: K15 HWY

The K15 HWY bridge in Sumner, Kansas carries K15 HWY over ROAD,ANTELOPE CR. It was built in 1979, making it 47 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 36.7 meters (120 feet) end to end. Daily traffic averages 6,510 vehicles, placing it in the moderately-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 7/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 45.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How K15 HWY compares

▲ 16.0
Load rating vs Kansas average (29.1 t)
Top 13%
Higher load rating than 87% of Kansas bridges
661
Bridges in Sumner · 16 in Poor condition
K15 HWY 45.1 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
93.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
Essentiality /15
15.0
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
45.1 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1979
Material
Concrete Continuous
Number of Spans
4
Structure Length
36.7 m (120 ft)
Deck Width
12.8 m (42 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,510 vehicles/day
Structure Number
999901500961291

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether K15 HWY 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 K15 HWY against other structures in Sumner 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 K15 HWY?

K15 HWY in Sumner, Kansas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is K15 HWY inspected?

K15 HWY'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 6,510 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. K15 HWY 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 K15 HWY?

K15 HWY has an NBI inventory load rating of 45.1 metric tons.

Who is responsible for maintaining K15 HWY?

K15 HWY is owned and maintained by State Highway Agency.

How old is K15 HWY and does age affect safety?

K15 HWY was built in 1979, making it 47 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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.