FHWA NBI 2024 Inspection record Public-domain dataset

459 AVE

Carrying 459 AVE over CK

1.0W & 0.6S DAVIS, Turner, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
100 t Inventory load rating

Bridge Snapshot: 459 AVE

The 459 AVE bridge in Turner, South Dakota carries 459 AVE over CK. It was built in 2005, making it 21 years old today. The structure is built primarily of steel and spans 5 sections, stretching 16.9 meters (55 feet) end to end. Daily traffic averages 97 vehicles, placing it in the lower-traffic tier of South Dakota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 99.9 metric tons.

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

How 459 AVE compares

▲ 67.4
Load rating vs South Dakota average (32.5 t)
Top 3%
Higher load rating than 97% of South Dakota bridges
143
Bridges in Turner · 37 in Poor condition
459 AVE 99.9 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
89.0 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
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 How the historical reference is calculated.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

Culvert
5/9
Fair (5–6)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2005
Material
Steel
Number of Spans
5
Structure Length
16.9 m (55 ft)
Owner
County Highway Agency
Avg Daily Traffic
97 vehicles/day
Structure Number
000000063190176

How to read this record

This page shows what the last federal inspection recorded, not whether 459 AVE 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 459 AVE against other structures in Turner and across South Dakota. South Dakota 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 459 AVE?

459 AVE in Turner, South Dakota on the FHWA's 0–9 scale.

How often is 459 AVE inspected?

459 AVE'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 97 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 459 AVE 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 459 AVE?

459 AVE has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining 459 AVE?

459 AVE is owned and maintained by County Highway Agency.

How old is 459 AVE and does age affect safety?

459 AVE was built in 2005, making it 21 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.