FHWA NBI 2024 Inspection record Public-domain dataset

K16 HWY

Carrying K16 HWY over BIG BLUE R(TUTTLE RES )

1.76 MI E US77, Riley, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: K16 HWY

The K16 HWY bridge in Riley, Kansas carries K16 HWY over BIG BLUE R(TUTTLE RES ). It was built in 1962, making it 64 years old today. The structure is built primarily of steel continuous and spans 37 sections, stretching 1630.7 meters (5350 feet) end to end. Daily traffic averages 525 vehicles, placing it in the lower-traffic 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 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. Its NBI inventory load rating is 25.4 metric tons.

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

How K16 HWY compares

▼ 3.7
Load rating vs Kansas average (29.1 t)
Bottom 46%
Lower load rating than 54% of Kansas bridges
193
Bridges in Riley · 10 in Poor condition
K16 HWY 25.4 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
87.2 / 100 - historical 80–100 band
Structural adequacy /55
49.0
Serviceability /30
28.2
Essentiality /15
13.2
Special reductions
−3.1

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
25.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1962
Material
Steel Continuous
Number of Spans
37
Structure Length
1630.7 m (5350 ft)
Deck Width
10.1 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
525 vehicles/day
Structure Number
999901600810171

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 K16 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 K16 HWY against other structures in Riley 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 K16 HWY?

K16 HWY in Riley, Kansas has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is K16 HWY inspected?

K16 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 525 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. K16 HWY 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 K16 HWY?

K16 HWY has an NBI inventory load rating of 25.4 metric tons.

Who is responsible for maintaining K16 HWY?

K16 HWY is owned and maintained by State Highway Agency.

How old is K16 HWY and does age affect safety?

K16 HWY was built in 1962, making it 64 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.