MILLER ROAD
Carrying MILLER ROAD over CONRAIL
DEARBORN S/MICHIGAN, Wayne, Michigan
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MILLER ROAD
The MILLER ROAD bridge in Wayne, Michigan carries MILLER ROAD over CONRAIL. It was built in 1931, making it 95 years old today. It was last reconstructed in 1982, extending its service life. The structure is built primarily of steel and spans 48 sections, stretching 445.1 meters (1460 feet) end to end. Daily traffic averages 23,965 vehicles, placing it in the heavily-trafficked tier of Michigan bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 2/9, substructure at 2/9. The weakest component sits in critical condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MILLER ROAD compares
Live comparison across Michigan.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1931
- Last Reconstructed
- 1982
- Material
- Steel
- Number of Spans
- 48
- Structure Length
- 445.1 m (1460 ft)
- Deck Width
- 21.9 m (72 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 23,965 vehicles/day
- Structure Number
- 000000000012239
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
- • The superstructure (beams and supports above the deck) is in critical condition (2/9), with severe deterioration requiring urgent attention.
- • The substructure (piers and abutments) rates critical at 2/9, severe deterioration that needs urgent attention.
How to read this record
MILLER ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare MILLER ROAD against other structures in Wayne 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 MILLER ROAD?
MILLER ROAD in Wayne, Michigan has a deck rating of 4/9, superstructure rating of 2/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.
How often is MILLER ROAD inspected?
MILLER 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 23,965 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MILLER ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for MILLER ROAD?
An inventory load rating is not recorded for MILLER ROAD.
Who is responsible for maintaining MILLER ROAD?
MILLER ROAD is owned and maintained by County Highway Agency.
How old is MILLER ROAD and does age affect safety?
MILLER ROAD was built in 1931, making it 95 years old and last reconstructed in 1982.
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.
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.