FHWA NBI 2024 Inspection record Public-domain dataset

46th St SW

Carrying 46th St SW over ANTELOPE CREEK

8 EAST 9 SOUTH RICHARDTON, Stark, North Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
21 t Inventory load rating

Bridge Snapshot: 46th St SW

The 46th St SW bridge in Stark, North Dakota carries 46th St SW over ANTELOPE CREEK. It was built in 1971, making it 55 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 40 vehicles, placing it in the lower-traffic tier of North Dakota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 20.6 metric tons.

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

How 46th St SW compares

▼ 11.8
Load rating vs North Dakota average (32.4 t)
Bottom 27%
Lower load rating than 73% of North Dakota bridges
157
Bridges in Stark · 6 in Poor condition
46th St SW 20.6 t
North Dakota average 32.4 t

Live comparison across North Dakota.

Historical Sufficiency Rating

PlainBridge-computed
82.7 / 100 - historical 80–100 band
Structural adequacy /55
41.8
Serviceability /30
29.0
Essentiality /15
14.9
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1971
Material
Concrete
Number of Spans
3
Structure Length
11.0 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
40 vehicles/day
Structure Number
000000045152180

How to read this record

This page shows what the last federal inspection recorded, not whether 46th St SW 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 46th St SW against other structures in Stark and across North Dakota. North 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 46th St SW?

46th St SW in Stark, North Dakota on the FHWA's 0–9 scale.

How often is 46th St SW inspected?

46th St SW'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. 46th St SW 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 46th St SW?

46th St SW has an NBI inventory load rating of 20.6 metric tons.

Who is responsible for maintaining 46th St SW?

46th St SW is owned and maintained by County Highway Agency.

How old is 46th St SW and does age affect safety?

46th St SW was built in 1971, making it 55 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.