FHWA NBI 2024 Inspection record Public-domain dataset

RYAN ROAD

Carrying RYAN ROAD over RED RUN DRAIN

0.37 MI S OF 14 MI RD, Macomb, Michigan

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
36 t Inventory load rating Lower than 61% of rated Michigan bridges

RYAN ROAD in Macomb, Michigan is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1991, 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:000000000006435

LATE-CENTURY · PRESTRESS · MULTI-SPAN · SUB-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • SUB-LED Substructure-led
  • HEAVY-ADT Heavy 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: RYAN ROAD

The RYAN ROAD bridge in Macomb, Michigan carries RYAN ROAD over RED RUN DRAIN. It was built in 1991, making it 35 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 38.4 meters (126 feet) end to end. Daily traffic averages 25,900 vehicles, placing it in the heavily-trafficked tier of Michigan bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How RYAN ROAD compares

▼ 5.2
Load rating vs Michigan average (41.2 t; 11,366 of 11,371 rated)
417
Bridges in Macomb · 32 in Poor condition

Age against the county: built in 1991, earlier than 135 of Macomb's 417 bridges with a recorded construction year (32%), against a county median build year of 1976. This is one of the newer structures in its county.

RYAN ROAD 36.0 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).

RYAN ROAD vs every rated Michigan bridge

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

36 Top 61% higher than 39% 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
8/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
36.0 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.

Macomb inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 417 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
1991
Material
Prestressed Concrete
Number of Spans
3
Structure Length
38.4 m (126 ft)
Deck Width
22.0 m (72 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
25,900 vehicles/day
Structure Number
000000000006435

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 RYAN 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 RYAN ROAD against other structures in Macomb 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 RYAN ROAD?

RYAN ROAD in Macomb, Michigan has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RYAN ROAD inspected?

RYAN 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 25,900 vehicles per day.

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

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

RYAN ROAD has an NBI inventory load rating of 36.0 metric tons.

Who is responsible for maintaining RYAN ROAD?

RYAN ROAD is owned and maintained by City/Municipal Highway Agency.

How old is RYAN ROAD and does age affect safety?

RYAN ROAD was built in 1991, making it 35 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.