34 MILE RD
Carrying 34 MILE RD over HIGHBANK CREEK
1200' E OF ARMADA RIDGE, Macomb, Michigan
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 34 MILE RD
The 34 MILE RD bridge in Macomb, Michigan carries 34 MILE RD over HIGHBANK CREEK. It was built in 1968, making it 58 years old today. The structure is built primarily of steel and spans 2 sections, stretching 7.4 meters (24 feet) end to end. Daily traffic averages 114 vehicles, placing it in the lower-traffic tier of Michigan bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 3/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 10.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 34 MILE RD 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 How the historical reference is calculated.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
- 1968
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 7.4 m (24 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 114 vehicles/day
- Structure Number
- 000000000014319
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
34 MILE RD 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 34 MILE RD 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 34 MILE RD?
34 MILE RD in Macomb, Michigan on the FHWA's 0–9 scale.
How often is 34 MILE RD inspected?
34 MILE 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 114 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 34 MILE RD 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 34 MILE RD?
34 MILE RD has an NBI inventory load rating of 10.4 metric tons.
Who is responsible for maintaining 34 MILE RD?
34 MILE RD is owned and maintained by County Highway Agency.
How old is 34 MILE RD and does age affect safety?
34 MILE RD was built in 1968, making it 58 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.
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.