FHWA NBI 2024 Inspection record Public-domain dataset

Seneca

Carrying Seneca over COWSKIN CREEK

Seneca, 0.6 N of 79thS, Sedgwick, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
59 t Inventory load rating

Bridge Snapshot: Seneca

The Seneca bridge in Sedgwick, Kansas carries Seneca over COWSKIN CREEK. It was built in 1984, making it 42 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 891 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 culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 58.8 metric tons.

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

How Seneca compares

▲ 29.7
Load rating vs Kansas average (29.1 t)
Top 3%
Higher load rating than 97% of Kansas bridges
1,312
Bridges in Sedgwick · 35 in Poor condition
Seneca 58.8 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
99.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.8
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
58.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1984
Material
Steel
Number of Spans
1
Structure Length
7.6 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
891 vehicles/day
Structure Number
000870819006364

How to read this record

This page shows what the last federal inspection recorded, not whether Seneca 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 Seneca against other structures in Sedgwick 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 Seneca?

Seneca in Sedgwick, Kansas on the FHWA's 0–9 scale.

How often is Seneca inspected?

Seneca'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 891 vehicles per day.

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

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

Seneca has an NBI inventory load rating of 58.8 metric tons.

Who is responsible for maintaining Seneca?

Seneca is owned and maintained by County Highway Agency.

How old is Seneca and does age affect safety?

Seneca was built in 1984, making it 42 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.