FHWA NBI 2024 Inspection record Public-domain dataset

NW 110 AVE

Carrying NW 110 AVE over STREAM

2.0N 5.0W OF HARPER, Harper, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
7 t Inventory load rating

Bridge Snapshot: NW 110 AVE

The NW 110 AVE bridge in Harper, Kansas carries NW 110 AVE over STREAM. It was built in 1965, making it 61 years old today. The structure is built primarily of wood or timber and spans 5 sections, stretching 28.0 meters (92 feet) end to end. Daily traffic averages 20 vehicles, placing it in the lower-traffic tier of Kansas bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 6.8 metric tons.

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

How NW 110 AVE compares

▼ 22.3
Load rating vs Kansas average (29.1 t)
Bottom 3%
Lower load rating than 97% of Kansas bridges
355
Bridges in Harper · 36 in Poor condition
NW 110 AVE 6.8 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
41.8 / 100 - historical 20–49.9 band
Structural adequacy /55
2.9
Serviceability /30
24.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
6.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1965
Material
Wood or Timber
Number of Spans
5
Structure Length
28.0 m (92 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
20 vehicles/day
Structure Number
000390733806700

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.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether NW 110 AVE 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 NW 110 AVE against other structures in Harper 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 NW 110 AVE?

NW 110 AVE in Harper, Kansas has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is NW 110 AVE inspected?

NW 110 AVE'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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NW 110 AVE 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 NW 110 AVE?

NW 110 AVE has an NBI inventory load rating of 6.8 metric tons.

Who is responsible for maintaining NW 110 AVE?

NW 110 AVE is owned and maintained by County Highway Agency.

How old is NW 110 AVE and does age affect safety?

NW 110 AVE was built in 1965, making it 61 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.