FHWA NBI 2024 Inspection record Public-domain dataset

I135 HWY SB

Carrying I135 HWY SB over 37TH ST

JCT 37TH ST/I135, WL, Sedgwick, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
42 t Inventory load rating

Bridge Snapshot: I135 HWY SB

The I135 HWY SB bridge in Sedgwick, Kansas carries I135 HWY SB over 37TH ST. It was built in 1970, making it 56 years old today. It was last reconstructed in 2002, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 45.9 meters (151 feet) end to end. Daily traffic averages 33,900 vehicles, placing it in the heavily-trafficked tier of Kansas bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 41.7 metric tons.

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

How I135 HWY SB compares

▲ 12.6
Load rating vs Kansas average (29.1 t)
Top 18%
Higher load rating than 82% of Kansas bridges
1,312
Bridges in Sedgwick · 35 in Poor condition
I135 HWY SB 41.7 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
98.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
41.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1970
Last Reconstructed
2002
Material
Concrete Continuous
Number of Spans
3
Structure Length
45.9 m (151 ft)
Deck Width
20.9 m (69 ft)
Owner
State Highway Agency
Avg Daily Traffic
33,900 vehicles/day
Structure Number
999913500870281

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether I135 HWY SB 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 I135 HWY SB against other structures in Sedgwick 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 I135 HWY SB?

I135 HWY SB in Sedgwick, Kansas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is I135 HWY SB inspected?

I135 HWY SB'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 33,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I135 HWY SB 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 I135 HWY SB?

I135 HWY SB has an NBI inventory load rating of 41.7 metric tons.

Who is responsible for maintaining I135 HWY SB?

I135 HWY SB is owned and maintained by State Highway Agency.

How old is I135 HWY SB and does age affect safety?

I135 HWY SB was built in 1970, making it 56 years old and last reconstructed in 2002.

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.