FHWA NBI 2024 Inspection record Public-domain dataset

HEIL ROAD

Carrying HEIL ROAD over CANNONBALL RIVER

6 SOUTH 4 WEST OF LEITH, Grant, North Dakota

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
12 t Inventory load rating Lower than 89% of rated North Dakota bridges

HEIL ROAD in Grant, North Dakota sits above 11% of rated North Dakota bridges on inventory load rating (12 t), while its 1945 build year is earlier than 77% of Grant's recorded-year cohort (60 bridges).

HEIL ROAD in Grant, North Dakota is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1945, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure ND:000000019118310

PRE-1950 · STEEL · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · LIGHT-LOAD · CAT-GOOD

  • PRE-1950 Pre-1950
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: HEIL ROAD

The HEIL ROAD bridge in Grant, North Dakota carries HEIL ROAD over CANNONBALL RIVER. It was built in 1945, making it 81 years old today. It was last reconstructed in 1951, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 60.0 meters (197 feet) end to end. Daily traffic averages 80 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 a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How HEIL ROAD compares

▼ 20.4
Load rating vs North Dakota average (32.7 t; 4,249 of 4,255 rated)
60
Bridges in Grant · 6 in Poor condition

Age against the county: built in 1945, earlier than 46 of Grant's 60 bridges with a recorded construction year (77%), against a county median build year of 1965. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

HEIL ROAD 12.3 t
North Dakota average (4,249 of 4,255 rated) 32.7 t

Live comparison across North Dakota bridges with a recorded inventory load rating (4,249 of 4,255 rated).

HEIL ROAD vs every rated North Dakota bridge

Inventory load rating (metric tons), FHWA NBI, this state

12 Top 89% higher than 11% of 4,249 bridges

rated North Dakota bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
12.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Grant inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 60 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1945
Last Reconstructed
1951
Material
Steel
Number of Spans
3
Structure Length
60.0 m (197 ft)
Deck Width
6.7 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
80 vehicles/day
Structure Number
000000019118310

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether HEIL ROAD 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 HEIL ROAD against other structures in Grant 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 HEIL ROAD?

HEIL ROAD in Grant, North Dakota has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HEIL ROAD inspected?

HEIL ROAD'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 80 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HEIL ROAD 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 HEIL ROAD?

HEIL ROAD has an NBI inventory load rating of 12.3 metric tons.

Who is responsible for maintaining HEIL ROAD?

HEIL ROAD is owned and maintained by County Highway Agency.

How old is HEIL ROAD and does age affect safety?

HEIL ROAD was built in 1945, making it 81 years old and last reconstructed in 1951.

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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.