FHWA NBI 2024 Inspection record Public-domain dataset

4100 RD Mile 10

Carrying 4100 RD Mile 10 over CLEAR CREEK

1.5S 5.0W OF LIBERTY, Montgomery, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
62 t Inventory load rating

Bridge Snapshot: 4100 RD Mile 10

The 4100 RD Mile 10 bridge in Montgomery, Kansas carries 4100 RD Mile 10 over CLEAR CREEK. It was built in 1990, making it 36 years old today. The structure is built primarily of steel and spans 1 section, stretching 11.9 meters (39 feet) end to end. Daily traffic averages 35 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 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 62.0 metric tons.

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

How 4100 RD Mile 10 compares

▲ 32.9
Load rating vs Kansas average (29.1 t)
Top 2%
Higher load rating than 98% of Kansas bridges
296
Bridges in Montgomery · 18 in Poor condition
4100 RD Mile 10 62.0 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
97.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
62.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1990
Material
Steel
Number of Spans
1
Structure Length
11.9 m (39 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
35 vehicles/day
Structure Number
000630999006943

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether 4100 RD Mile 10 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 4100 RD Mile 10 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 4100 RD Mile 10?

4100 RD Mile 10 in Montgomery, Kansas has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 4100 RD Mile 10 inspected?

4100 RD Mile 10'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 35 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 4100 RD Mile 10 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 4100 RD Mile 10?

4100 RD Mile 10 has an NBI inventory load rating of 62.0 metric tons.

Who is responsible for maintaining 4100 RD Mile 10?

4100 RD Mile 10 is owned and maintained by County Highway Agency.

How old is 4100 RD Mile 10 and does age affect safety?

4100 RD Mile 10 was built in 1990, making it 36 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.