FHWA NBI 2024 Inspection record Public-domain dataset

MULLET-BURT RD

Carrying MULLET-BURT RD over I-75

4.3 MI N OF M-27, Cheboygan, Michigan

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating Lower than 71% of rated Michigan bridges

MULLET-BURT RD in Cheboygan, Michigan sits above 29% of rated Michigan bridges on inventory load rating (33 t), while its 1960 build year is earlier than 74% of Cheboygan's recorded-year cohort (73 bridges).

MULLET-BURT RD in Cheboygan, Michigan is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1960, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:000000000001513

INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • LONG-SPAN-RUN 4 spans
  • TIED-CTRL Tied control
  • LOCAL-ADT Local 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: MULLET-BURT RD

The MULLET-BURT RD bridge in Cheboygan, Michigan carries MULLET-BURT RD over I-75. It was built in 1960, making it 66 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 69.8 meters (229 feet) end to end. Daily traffic averages 220 vehicles, placing it in the lower-traffic 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 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How MULLET-BURT RD compares

▼ 8.2
Load rating vs Michigan average (41.2 t; 11,366 of 11,371 rated)
73
Bridges in Cheboygan · 14 in Poor condition

Age against the county: built in 1960, earlier than 54 of Cheboygan's 73 bridges with a recorded construction year (74%), against a county median build year of 1962. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

MULLET-BURT RD 33.0 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).

MULLET-BURT RD vs every rated Michigan bridge

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

33 Top 71% higher than 29% 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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
33.0 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.

Cheboygan inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 73 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
1960
Material
Concrete Continuous
Number of Spans
4
Structure Length
69.8 m (229 ft)
Deck Width
9.5 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
220 vehicles/day
Structure Number
000000000001513

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether MULLET-BURT 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 MULLET-BURT RD against other structures in Cheboygan 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 MULLET-BURT RD?

MULLET-BURT RD in Cheboygan, Michigan has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MULLET-BURT RD inspected?

MULLET-BURT 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 220 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MULLET-BURT 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 MULLET-BURT RD?

MULLET-BURT RD has an NBI inventory load rating of 33.0 metric tons.

Who is responsible for maintaining MULLET-BURT RD?

MULLET-BURT RD is owned and maintained by State Highway Agency.

How old is MULLET-BURT RD and does age affect safety?

MULLET-BURT RD was built in 1960, making it 66 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

Share this inspection record

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

XFacebookLinkedInWhatsAppEmail

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.