FHWA NBI 2024 Inspection record Public-domain dataset

3300 RD Mile 26

Carrying 3300 RD Mile 26 over SYCAMORE CREEK

2.8N 3.0W OF SYCAMORE, Montgomery, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating

Bridge Snapshot: 3300 RD Mile 26

The 3300 RD Mile 26 bridge in Montgomery, Kansas carries 3300 RD Mile 26 over SYCAMORE CREEK. It was built in 1920, making it 106 years old today. The structure is built primarily of steel and spans 1 section, stretching 40.5 meters (133 feet) end to end. Daily traffic averages 58 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 4/9, superstructure at 3/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 24.3 metric tons.

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

How 3300 RD Mile 26 compares

▼ 4.8
Load rating vs Kansas average (29.1 t)
Bottom 42%
Lower load rating than 58% of Kansas bridges
296
Bridges in Montgomery · 18 in Poor condition
3300 RD Mile 26 24.3 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
38.4 / 100 - historical 20–49.9 band
Structural adequacy /55
7.5
Serviceability /30
16.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
3/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1920
Material
Steel
Number of Spans
1
Structure Length
40.5 m (133 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
58 vehicles/day
Structure Number
000000000630670

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

3300 RD Mile 26 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 3300 RD Mile 26 against other structures in Montgomery 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 3300 RD Mile 26?

3300 RD Mile 26 in Montgomery, Kansas has a deck rating of 4/9, superstructure rating of 3/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is 3300 RD Mile 26 inspected?

3300 RD Mile 26'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 58 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 3300 RD Mile 26 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 3300 RD Mile 26?

3300 RD Mile 26 has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining 3300 RD Mile 26?

3300 RD Mile 26 is owned and maintained by County Highway Agency.

How old is 3300 RD Mile 26 and does age affect safety?

3300 RD Mile 26 was built in 1920, making it 106 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.