FHWA NBI 2024 Inspection record Public-domain dataset

US 36 HWY

Carrying US 36 HWY over DELAWARE RIVER

0.24 MI E NEMAHA COLN, Brown, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
35 t Inventory load rating

Bridge Snapshot: US 36 HWY

The US 36 HWY bridge in Brown, Kansas carries US 36 HWY over DELAWARE RIVER. It was built in 1989, making it 37 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 40.4 meters (133 feet) end to end. Daily traffic averages 2,750 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 a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 34.5 metric tons.

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

How US 36 HWY compares

▲ 5.4
Load rating vs Kansas average (29.1 t)
Top 30%
Higher load rating than 70% of Kansas bridges
211
Bridges in Brown · 9 in Poor condition
US 36 HWY 34.5 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
94.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
11.9
Special reductions
−1.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
34.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1989
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
40.4 m (133 ft)
Deck Width
14.0 m (46 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,750 vehicles/day
Structure Number
999903600070521

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether US 36 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 US 36 HWY against other structures in Brown 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 US 36 HWY?

US 36 HWY in Brown, Kansas has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is US 36 HWY inspected?

US 36 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 2,750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 36 HWY 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 US 36 HWY?

US 36 HWY has an NBI inventory load rating of 34.5 metric tons.

Who is responsible for maintaining US 36 HWY?

US 36 HWY is owned and maintained by State Highway Agency.

How old is US 36 HWY and does age affect safety?

US 36 HWY was built in 1989, making it 37 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.