K18 HWY & Local Rd
Carrying K18 HWY & Local Rd over KANSAS RIVER DRAINAGE
0.06 MI W SJCT K177, Riley, Kansas
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
K18 HWY & Local Rd in Riley, Kansas sits above 27% of rated Kansas bridges on inventory load rating (19 t), while its 1937 build year is earlier than 83% of Riley's recorded-year cohort (224 bridges).
K18 HWY & Local Rd in Riley, Kansas is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1937, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:999901800810331
PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · LIGHT-LOAD · CAT-GOOD
- PRE-1950 Pre-1950
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- LIGHT-LOAD Light load
- CAT-GOOD Good
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: K18 HWY & Local Rd
The K18 HWY & Local Rd bridge in Riley, Kansas carries K18 HWY & Local Rd over KANSAS RIVER DRAINAGE. It was built in 1937, making it 89 years old today. It was last reconstructed in 1995, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 2,490 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 culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How K18 HWY & Local Rd compares
Age against the county: built in 1937, earlier than 185 of Riley's 224 bridges with a recorded construction year (83%), against a county median build year of 1978. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Kansas bridges with a recorded inventory load rating (24,893 of 24,894 rated).
K18 HWY & Local Rd vs every rated Kansas bridge
Inventory load rating (metric tons), FHWA NBI, this state
19 Top 73% higher than 27% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Riley inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 224 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
- 1937
- Last Reconstructed
- 1995
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 10.7 m (35 ft)
- Deck Width
- 81.8 m (268 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 2,490 vehicles/day
- Structure Number
- 999901800810331
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether K18 HWY & Local Rd 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 K18 HWY & Local Rd 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 K18 HWY & Local Rd?
K18 HWY & Local Rd in Riley, Kansas on the FHWA's 0–9 scale.
How often is K18 HWY & Local Rd inspected?
K18 HWY & Local Rd'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 2,490 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. K18 HWY & Local Rd 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 K18 HWY & Local Rd?
K18 HWY & Local Rd has an NBI inventory load rating of 19.4 metric tons.
Who is responsible for maintaining K18 HWY & Local Rd?
K18 HWY & Local Rd is owned and maintained by State Highway Agency.
How old is K18 HWY & Local Rd and does age affect safety?
K18 HWY & Local Rd was built in 1937, making it 89 years old and last reconstructed in 1995.
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.
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.
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.