FHWA NBI 2024 Inspection record Public-domain dataset

RS 644 59-2-5

Carrying RS 644 59-2-5 over TRIB. TO ARKANSAS RIVER

1.4S 2.0W OF MULVANE, Sumner, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
45 t Inventory load rating

Bridge Snapshot: RS 644 59-2-5

The RS 644 59-2-5 bridge in Sumner, Kansas carries RS 644 59-2-5 over TRIB. TO ARKANSAS RIVER. It was built in 1991, making it 35 years old today. It was last reconstructed in 2020, extending its service life. The structure is built primarily of steel continuous and spans 4 sections, stretching 44.8 meters (147 feet) end to end. Daily traffic averages 3,515 vehicles, placing it in the moderately-trafficked 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 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 44.5 metric tons.

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

How RS 644 59-2-5 compares

▲ 15.4
Load rating vs Kansas average (29.1 t)
Top 14%
Higher load rating than 86% of Kansas bridges
661
Bridges in Sumner · 16 in Poor condition
RS 644 59-2-5 44.5 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
79.4 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
13.0
Essentiality /15
14.4
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
44.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1991
Last Reconstructed
2020
Material
Steel Continuous
Number of Spans
4
Structure Length
44.8 m (147 ft)
Deck Width
9.4 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
3,515 vehicles/day
Structure Number
000000000960590

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether RS 644 59-2-5 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 RS 644 59-2-5 against other structures in Sumner 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 RS 644 59-2-5?

RS 644 59-2-5 in Sumner, Kansas has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RS 644 59-2-5 inspected?

RS 644 59-2-5'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 3,515 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RS 644 59-2-5 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 RS 644 59-2-5?

RS 644 59-2-5 has an NBI inventory load rating of 44.5 metric tons.

Who is responsible for maintaining RS 644 59-2-5?

RS 644 59-2-5 is owned and maintained by County Highway Agency.

How old is RS 644 59-2-5 and does age affect safety?

RS 644 59-2-5 was built in 1991, making it 35 years old and last reconstructed in 2020.

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.