FHWA NBI 2024 Inspection record Public-domain dataset

RS 601 71st

Carrying RS 601 71st over SPRING CREEK

71stS, 0.7 E of 135thW, Sedgwick, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
11 t Inventory load rating

Bridge Snapshot: RS 601 71st

The RS 601 71st bridge in Sedgwick, Kansas carries RS 601 71st over SPRING CREEK. It was built in 1970, making it 56 years old today. The structure is built primarily of steel and spans 1 section, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 1,816 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 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 10.5 metric tons.

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

How RS 601 71st compares

▼ 18.6
Load rating vs Kansas average (29.1 t)
Bottom 6%
Lower load rating than 94% of Kansas bridges
1,312
Bridges in Sedgwick · 35 in Poor condition
RS 601 71st 10.5 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
37.5 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
24.0
Essentiality /15
13.5
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
10.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1970
Material
Steel
Number of Spans
1
Structure Length
12.5 m (41 ft)
Deck Width
14.5 m (48 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,816 vehicles/day
Structure Number
000000000871200

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

RS 601 71st 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 RS 601 71st 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 RS 601 71st?

RS 601 71st in Sedgwick, Kansas has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is RS 601 71st inspected?

RS 601 71st'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 1,816 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RS 601 71st 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 RS 601 71st?

RS 601 71st has an NBI inventory load rating of 10.5 metric tons.

Who is responsible for maintaining RS 601 71st?

RS 601 71st is owned and maintained by County Highway Agency.

How old is RS 601 71st and does age affect safety?

RS 601 71st was built in 1970, making it 56 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.