MAPLE LANE RD
Carrying MAPLE LANE RD over RED RUN DRAIN
NORTH OF 14 MILE RD, Macomb, Michigan
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
MAPLE LANE RD in Macomb, Michigan sits above 66% of rated Michigan bridges on inventory load rating (44 t), while its 1985 build year is earlier than 37% of Macomb's recorded-year cohort (417 bridges).
MAPLE LANE RD in Macomb, Michigan is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1985, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:000000000006431
LATE-CENTURY · PRESTRESS · MULTI-SPAN · SUPER-LED · HEAVY-ADT · HEAVY-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- PRESTRESS Prestressed concrete
- MULTI-SPAN 2 spans
- SUPER-LED Superstructure-led
- HEAVY-ADT Heavy ADT
- HEAVY-LOAD Heavy load
- CAT-POOR Poor
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: MAPLE LANE RD
The MAPLE LANE RD bridge in Macomb, Michigan carries MAPLE LANE RD over RED RUN DRAIN. It was built in 1985, making it 41 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 54.9 meters (180 feet) end to end. Daily traffic averages 11,677 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 5/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
How MAPLE LANE RD compares
Age against the county: built in 1985, earlier than 156 of Macomb's 417 bridges with a recorded construction year (37%), against a county median build year of 1976. This is one of the newer structures in its county.
Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).
MAPLE LANE RD vs every rated Michigan bridge
Inventory load rating (metric tons), FHWA NBI, this state
44 Top 34% higher than 66% 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
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
- 1985
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 54.9 m (180 ft)
- Deck Width
- 23.8 m (78 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 11,677 vehicles/day
- Structure Number
- 000000000006431
Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
MAPLE LANE 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 MAPLE LANE 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 MAPLE LANE RD?
MAPLE LANE RD in Macomb, Michigan has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is MAPLE LANE RD inspected?
MAPLE LANE 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 11,677 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MAPLE LANE 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 MAPLE LANE RD?
MAPLE LANE RD has an NBI inventory load rating of 44.1 metric tons.
Who is responsible for maintaining MAPLE LANE RD?
MAPLE LANE RD is owned and maintained by City/Municipal Highway Agency.
How old is MAPLE LANE RD and does age affect safety?
MAPLE LANE RD was built in 1985, making it 41 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.
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.
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.