FHWA NBI 2024 Inspection record Public-domain dataset

27550 456 AVE

Carrying 27550 456 AVE over WEST FORK VERMILLION RV

0.5S & 3E PARKER, Turner, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
20 t Inventory load rating

Bridge Snapshot: 27550 456 AVE

The 27550 456 AVE bridge in Turner, South Dakota carries 27550 456 AVE over WEST FORK VERMILLION RV. It was built in 2013, making it 13 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.9 meters (23 feet) end to end. Daily traffic averages 45 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 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 20.4 metric tons.

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

How 27550 456 AVE compares

▼ 12.1
Load rating vs South Dakota average (32.5 t)
Bottom 25%
Lower load rating than 75% of South Dakota bridges
143
Bridges in Turner · 37 in Poor condition
27550 456 AVE 20.4 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
81.5 / 100 - historical 80–100 band
Structural adequacy /55
41.5
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
20.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2013
Material
Concrete
Number of Spans
2
Structure Length
6.9 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
45 vehicles/day
Structure Number
000000063160075

How to read this record

This page shows what the last federal inspection recorded, not whether 27550 456 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 27550 456 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 27550 456 AVE?

27550 456 AVE in Turner, South Dakota on the FHWA's 0–9 scale.

How often is 27550 456 AVE inspected?

27550 456 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 45 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 27550 456 AVE is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 27550 456 AVE?

27550 456 AVE has an NBI inventory load rating of 20.4 metric tons.

Who is responsible for maintaining 27550 456 AVE?

27550 456 AVE is owned and maintained by County Highway Agency.

How old is 27550 456 AVE and does age affect safety?

27550 456 AVE was built in 2013, making it 13 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.