FHWA NBI 2024 Inspection record Public-domain dataset

IRIS RD. 131

Carrying IRIS RD. 131 over TRIB. TO SOUTH BIG CREEK

1.5S 3.7E OF GRIDLEY, Coffey, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
26 t Inventory load rating

Bridge Snapshot: IRIS RD. 131

The IRIS RD. 131 bridge in Coffey, Kansas carries IRIS RD. 131 over TRIB. TO SOUTH BIG CREEK. It was built in 1990, making it 36 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 48.4 meters (159 feet) end to end. Daily traffic averages 15 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. All reported major components score above the Poor range. Its NBI inventory load rating is 25.6 metric tons.

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

How IRIS RD. 131 compares

▼ 3.5
Load rating vs Kansas average (29.1 t)
Bottom 46%
Lower load rating than 54% of Kansas bridges
305
Bridges in Coffey · 4 in Poor condition
IRIS RD. 131 25.6 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
94.2 / 100 - historical 80–100 band
Structural adequacy /55
49.2
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 How the historical reference is calculated.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
25.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1990
Material
Concrete Continuous
Number of Spans
3
Structure Length
48.4 m (159 ft)
Deck Width
9.1 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
15 vehicles/day
Structure Number
000160983705645

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether IRIS RD. 131 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 IRIS RD. 131 against other structures in Coffey 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 IRIS RD. 131?

IRIS RD. 131 in Coffey, 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 IRIS RD. 131 inspected?

IRIS RD. 131'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 15 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRIS RD. 131 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 IRIS RD. 131?

IRIS RD. 131 has an NBI inventory load rating of 25.6 metric tons.

Who is responsible for maintaining IRIS RD. 131?

IRIS RD. 131 is owned and maintained by County Highway Agency.

How old is IRIS RD. 131 and does age affect safety?

IRIS RD. 131 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.