FHWA NBI 2024 Inspection record Public-domain dataset

188 STREET

Carrying 188 STREET over HIDEWOOD CK

6N & 1.8E ESTELLINE, Deuel, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
29 t Inventory load rating

Bridge Snapshot: 188 STREET

The 188 STREET bridge in Deuel, South Dakota carries 188 STREET over HIDEWOOD CK. It was built in 1978, making it 48 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 19.8 meters (65 feet) end to end. Daily traffic averages 90 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 a deck rating of 6/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 29.0 metric tons.

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

How 188 STREET compares

▼ 3.5
Load rating vs South Dakota average (32.5 t)
Top 45%
Higher load rating than 55% of South Dakota bridges
72
Bridges in Deuel · 12 in Poor condition
188 STREET 29.0 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
67.9 / 100 - historical 50–79.9 band
Structural adequacy /55
28.0
Serviceability /30
28.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
29.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1978
Material
Prestressed Concrete
Number of Spans
1
Structure Length
19.8 m (65 ft)
Deck Width
9.4 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
90 vehicles/day
Structure Number
000000020008220

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), 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

188 STREET 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 188 STREET against other structures in Deuel 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 188 STREET?

188 STREET in Deuel, South Dakota has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is 188 STREET inspected?

188 STREET'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 90 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 188 STREET 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 188 STREET?

188 STREET has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining 188 STREET?

188 STREET is owned and maintained by County Highway Agency.

How old is 188 STREET and does age affect safety?

188 STREET was built in 1978, making it 48 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.