FHWA NBI 2024 Inspection record Public-domain dataset

SW 90 ST. H.8-16.0

Carrying SW 90 ST. H.8-16.0 over ALLEN CREEK

1.0W OF WILLOWDALE, Kingman, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
5 t Inventory load rating

Bridge Snapshot: SW 90 ST. H.8-16.0

The SW 90 ST. H.8-16.0 bridge in Kingman, Kansas carries SW 90 ST. H.8-16.0 over ALLEN CREEK. It was built in 1945, making it 81 years old today. The structure is built primarily of wood or timber and spans 4 sections, stretching 23.8 meters (78 feet) end to end. Daily traffic averages 30 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 6/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 4.7 metric tons.

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

How SW 90 ST. H.8-16.0 compares

▼ 24.4
Load rating vs Kansas average (29.1 t)
Bottom 1%
Lower load rating than 99% of Kansas bridges
391
Bridges in Kingman · 22 in Poor condition
SW 90 ST. H.8-16.0 4.7 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
40.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
25.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
4.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1945
Material
Wood or Timber
Number of Spans
4
Structure Length
23.8 m (78 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
30 vehicles/day
Structure Number
000480711806420

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) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

SW 90 ST. H.8-16.0 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare SW 90 ST. H.8-16.0 against other structures in Kingman 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 SW 90 ST. H.8-16.0?

SW 90 ST. H.8-16.0 in Kingman, Kansas has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SW 90 ST. H.8-16.0 inspected?

SW 90 ST. H.8-16.0'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 30 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SW 90 ST. H.8-16.0 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SW 90 ST. H.8-16.0?

SW 90 ST. H.8-16.0 has an NBI inventory load rating of 4.7 metric tons.

Who is responsible for maintaining SW 90 ST. H.8-16.0?

SW 90 ST. H.8-16.0 is owned and maintained by County Highway Agency.

How old is SW 90 ST. H.8-16.0 and does age affect safety?

SW 90 ST. H.8-16.0 was built in 1945, making it 81 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.