FHWA NBI 2024 Inspection record Public-domain dataset

TROWBRIDGE ROAD

Carrying TROWBRIDGE ROAD over TRIB. TO IRISH CREEK

2.5N 2.0E OF BLAINE, Pottawatomie, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
47 t Inventory load rating

Bridge Snapshot: TROWBRIDGE ROAD

The TROWBRIDGE ROAD bridge in Pottawatomie, Kansas carries TROWBRIDGE ROAD over TRIB. TO IRISH CREEK. It was built in 2008, making it 18 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 28.2 meters (93 feet) end to end. Daily traffic averages 80 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 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 46.8 metric tons.

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

How TROWBRIDGE ROAD compares

▲ 17.7
Load rating vs Kansas average (29.1 t)
Top 11%
Higher load rating than 89% of Kansas bridges
294
Bridges in Pottawatomie · 21 in Poor condition
TROWBRIDGE ROAD 46.8 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
46.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2008
Material
Concrete Continuous
Number of Spans
3
Structure Length
28.2 m (93 ft)
Deck Width
8.5 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
80 vehicles/day
Structure Number
000750921903640

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether TROWBRIDGE ROAD 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 TROWBRIDGE ROAD against other structures in Pottawatomie 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 TROWBRIDGE ROAD?

TROWBRIDGE ROAD in Pottawatomie, Kansas has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is TROWBRIDGE ROAD inspected?

TROWBRIDGE ROAD'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 80 vehicles per day.

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

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

TROWBRIDGE ROAD has an NBI inventory load rating of 46.8 metric tons.

Who is responsible for maintaining TROWBRIDGE ROAD?

TROWBRIDGE ROAD is owned and maintained by County Highway Agency.

How old is TROWBRIDGE ROAD and does age affect safety?

TROWBRIDGE ROAD was built in 2008, making it 18 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.