US59, K31 HWY
Carrying US59, K31 HWY over DEER CREEK
5.74 MI W SJCT K31, Anderson, Kansas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: US59, K31 HWY
The US59, K31 HWY bridge in Anderson, Kansas carries US59, K31 HWY over DEER CREEK. It was built in 1950, making it 76 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 37.1 meters (122 feet) end to end. Daily traffic averages 1,430 vehicles, placing it in the moderately-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 6/9, substructure at 8/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 19.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How US59, K31 HWY compares
Live comparison across Kansas.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1950
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 37.1 m (122 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 1,430 vehicles/day
- Structure Number
- 999905900020011
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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 fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether US59, K31 HWY 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 US59, K31 HWY against other structures in Anderson 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 US59, K31 HWY?
US59, K31 HWY in Anderson, Kansas has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is US59, K31 HWY inspected?
US59, K31 HWY'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 1,430 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. US59, K31 HWY 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 US59, K31 HWY?
US59, K31 HWY has an NBI inventory load rating of 19.1 metric tons.
Who is responsible for maintaining US59, K31 HWY?
US59, K31 HWY is owned and maintained by State Highway Agency.
How old is US59, K31 HWY and does age affect safety?
US59, K31 HWY was built in 1950, making it 76 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.
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.