FHWA NBI 2024 Inspection record Public-domain dataset

Hwy 139

Carrying Hwy 139 over DRAINAGE AREA

1 WEST OF GLEN ULLIN, Morton, North Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating

Bridge Snapshot: Hwy 139

The Hwy 139 bridge in Morton, North Dakota carries Hwy 139 over DRAINAGE AREA. It was built in 1950, making it 76 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 16.2 meters (53 feet) end to end. Daily traffic averages 470 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 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 19.1 metric tons.

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

How Hwy 139 compares

▼ 13.3
Load rating vs North Dakota average (32.4 t)
Bottom 20%
Lower load rating than 80% of North Dakota bridges
271
Bridges in Morton · 23 in Poor condition
Hwy 139 19.1 t
North Dakota average 32.4 t

Live comparison across North Dakota.

Historical Sufficiency Rating

PlainBridge-computed
69.9 / 100 - historical 50–79.9 band
Structural adequacy /55
29.2
Serviceability /30
29.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
19.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1950
Material
Concrete
Number of Spans
3
Structure Length
16.2 m (53 ft)
Owner
County Highway Agency
Avg Daily Traffic
470 vehicles/day
Structure Number
000000030112123

How to read this record

This page shows what the last federal inspection recorded, not whether Hwy 139 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 Hwy 139 against other structures in Morton 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 Hwy 139?

Hwy 139 in Morton, North Dakota on the FHWA's 0–9 scale.

How often is Hwy 139 inspected?

Hwy 139'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 470 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Hwy 139 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 Hwy 139?

Hwy 139 has an NBI inventory load rating of 19.1 metric tons.

Who is responsible for maintaining Hwy 139?

Hwy 139 is owned and maintained by County Highway Agency.

How old is Hwy 139 and does age affect safety?

Hwy 139 was built in 1950, making it 76 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.