FHWA NBI 2024 Inspection record Public-domain dataset

Yellow Dog Hill Rd

Carrying Yellow Dog Hill Rd over Crow Creek

3S & 11.4W of Gann Valley, Buffalo, South Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: Yellow Dog Hill Rd

The Yellow Dog Hill Rd bridge in Buffalo, South Dakota carries Yellow Dog Hill Rd over Crow Creek. It was built in 1963, making it 63 years old today. The structure is built primarily of steel and spans 3 sections, stretching 31.4 meters (103 feet) end to end. Daily traffic averages 40 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 6/9, substructure 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 26.0 metric tons.

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

How Yellow Dog Hill Rd compares

▼ 6.5
Load rating vs South Dakota average (32.5 t)
Top 49%
Higher load rating than 51% of South Dakota bridges
25
Bridges in Buffalo · 1 in Poor condition
Yellow Dog Hill Rd 26.0 t
South Dakota average 32.5 t

Live comparison across South Dakota.

Historical Sufficiency Rating

PlainBridge-computed
83.7 / 100 - historical 80–100 band
Structural adequacy /55
39.7
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
26.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1963
Material
Steel
Number of Spans
3
Structure Length
31.4 m (103 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
40 vehicles/day
Structure Number
000000009174140

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether Yellow Dog Hill Rd 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 Yellow Dog Hill Rd against other structures in Buffalo 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 Yellow Dog Hill Rd?

Yellow Dog Hill Rd in Buffalo, South Dakota has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is Yellow Dog Hill Rd inspected?

Yellow Dog Hill Rd'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 40 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Yellow Dog Hill Rd 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 Yellow Dog Hill Rd?

Yellow Dog Hill Rd has an NBI inventory load rating of 26.0 metric tons.

Who is responsible for maintaining Yellow Dog Hill Rd?

Yellow Dog Hill Rd is owned and maintained by County Highway Agency.

How old is Yellow Dog Hill Rd and does age affect safety?

Yellow Dog Hill Rd was built in 1963, making it 63 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.