FHWA NBI 2024 Inspection record Public-domain dataset

IRON AVENUE

Carrying IRON AVENUE over SMOKY HILL RIVER

3.4 E OF I-135, Saline, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
45 t Inventory load rating

Bridge Snapshot: IRON AVENUE

The IRON AVENUE bridge in Saline, Kansas carries IRON AVENUE over SMOKY HILL RIVER. It was built in 1960, making it 66 years old today. It was last reconstructed in 1986, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 87.2 meters (286 feet) end to end. Daily traffic averages 5,000 vehicles, placing it in the moderately-trafficked tier of Kansas bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 45.2 metric tons.

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

How IRON AVENUE compares

▲ 16.1
Load rating vs Kansas average (29.1 t)
Top 13%
Higher load rating than 87% of Kansas bridges
359
Bridges in Saline · 6 in Poor condition
IRON AVENUE 45.2 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
99.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.3
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
45.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1960
Last Reconstructed
1986
Material
Steel Continuous
Number of Spans
3
Structure Length
87.2 m (286 ft)
Deck Width
18.6 m (61 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,000 vehicles/day
Structure Number
425400854832001

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether IRON AVENUE 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 IRON AVENUE against other structures in Saline 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 IRON AVENUE?

IRON AVENUE in Saline, Kansas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is IRON AVENUE inspected?

IRON AVENUE'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 5,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRON AVENUE 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 IRON AVENUE?

IRON AVENUE has an NBI inventory load rating of 45.2 metric tons.

Who is responsible for maintaining IRON AVENUE?

IRON AVENUE is owned and maintained by City/Municipal Highway Agency.

How old is IRON AVENUE and does age affect safety?

IRON AVENUE was built in 1960, making it 66 years old and last reconstructed in 1986.

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.