FHWA NBI 2024 Inspection record Public-domain dataset

380th AVE(RS 1747)

Carrying 380th AVE(RS 1747) over TRIB TO SMOKY HILL RIVER

1.4S 13.0E TREGO CENTER, Trego, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: 380th AVE(RS 1747)

The 380th AVE(RS 1747) bridge in Trego, Kansas carries 380th AVE(RS 1747) over TRIB TO SMOKY HILL RIVER. It was built in 1934, making it 92 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 7.7 meters (25 feet) end to end. Daily traffic averages 75 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 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 21.8 metric tons.

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

How 380th AVE(RS 1747) compares

▼ 7.3
Load rating vs Kansas average (29.1 t)
Bottom 35%
Lower load rating than 65% of Kansas bridges
166
Bridges in Trego · 7 in Poor condition
380th AVE(RS 1747) 21.8 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
57.7 / 100 - historical 50–79.9 band
Structural adequacy /55
18.8
Serviceability /30
27.0
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
21.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1934
Material
Concrete
Number of Spans
3
Structure Length
7.7 m (25 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
75 vehicles/day
Structure Number
000000000980500

How to read this record

380th AVE(RS 1747) is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare 380th AVE(RS 1747) against other structures in Trego 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 380th AVE(RS 1747)?

380th AVE(RS 1747) in Trego, Kansas on the FHWA's 0–9 scale.

How often is 380th AVE(RS 1747) inspected?

380th AVE(RS 1747)'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 75 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 380th AVE(RS 1747) is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 380th AVE(RS 1747)?

380th AVE(RS 1747) has an NBI inventory load rating of 21.8 metric tons.

Who is responsible for maintaining 380th AVE(RS 1747)?

380th AVE(RS 1747) is owned and maintained by County Highway Agency.

How old is 380th AVE(RS 1747) and does age affect safety?

380th AVE(RS 1747) was built in 1934, making it 92 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.