FHWA NBI 2024 Inspection record Public-domain dataset

GRANGE HALL RD

Carrying GRANGE HALL RD over I-75

3.3 MI SE OF GENESEE COL, Oakland, Michigan

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
39 t Inventory load rating Higher than 50% of rated Michigan bridges

GRANGE HALL RD in Oakland, Michigan sits above 50% of rated Michigan bridges on inventory load rating (39 t), while its 1961 build year is earlier than 87% of Oakland's recorded-year cohort (508 bridges).

GRANGE HALL RD in Oakland, Michigan is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1961, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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 MI:000000000008037

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 4 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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: GRANGE HALL RD

The GRANGE HALL RD bridge in Oakland, Michigan carries GRANGE HALL RD over I-75. It was built in 1961, making it 65 years old today. The structure is built primarily of steel and spans 4 sections, stretching 72.2 meters (237 feet) end to end. Daily traffic averages 7,410 vehicles, placing it in the moderately-trafficked tier of Michigan bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How GRANGE HALL RD compares

▼ 2.3
Load rating vs Michigan average (41.2 t; 11,366 of 11,371 rated)
508
Bridges in Oakland · 38 in Poor condition

Age against the county: built in 1961, earlier than 443 of Oakland's 508 bridges with a recorded construction year (87%), against a county median build year of 1982. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

GRANGE HALL RD 38.9 t
Michigan average (11,366 of 11,371 rated) 41.2 t

Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).

GRANGE HALL RD vs every rated Michigan bridge

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

39 Top 50% higher than 50% of 11,366 bridges

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

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.

Oakland inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 508 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
1961
Material
Steel
Number of Spans
4
Structure Length
72.2 m (237 ft)
Deck Width
11.1 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
7,410 vehicles/day
Structure Number
000000000008037

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • 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) 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 GRANGE HALL 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 GRANGE HALL RD against other structures in Oakland and across Michigan. Michigan 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 GRANGE HALL RD?

GRANGE HALL RD in Oakland, Michigan has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is GRANGE HALL RD inspected?

GRANGE HALL 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 7,410 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GRANGE HALL 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 GRANGE HALL RD?

GRANGE HALL RD has an NBI inventory load rating of 38.9 metric tons.

Who is responsible for maintaining GRANGE HALL RD?

GRANGE HALL RD is owned and maintained by State Highway Agency.

How old is GRANGE HALL RD and does age affect safety?

GRANGE HALL RD was built in 1961, making it 65 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

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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.