GRACECHURCH LANE
Carrying GRACECHURCH LANE over SALT SLANG GLOEDE DRAIN
0.5 MI N OF 22 MI RD, Macomb, Michigan
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
GRACECHURCH LANE in Macomb, Michigan sits above 15% of rated Michigan bridges on inventory load rating (29 t), while its 1972 build year is earlier than 54% of Macomb's recorded-year cohort (417 bridges).
GRACECHURCH LANE in Macomb, Michigan is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1972, 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:000000000013577
INTERSTATE-ERA · PRESTRESS · SINGLE-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- 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: GRACECHURCH LANE
The GRACECHURCH LANE bridge in Macomb, Michigan carries GRACECHURCH LANE over SALT SLANG GLOEDE DRAIN. It was built in 1972, making it 54 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 300 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 a deck rating of 7/9, 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 GRACECHURCH LANE compares
Age against the county: built in 1972, earlier than 227 of Macomb's 417 bridges with a recorded construction year (54%), against a county median build year of 1976. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).
GRACECHURCH LANE vs every rated Michigan bridge
Inventory load rating (metric tons), FHWA NBI, this state
29 Top 85% higher than 15% 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
- 1972
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 6.4 m (21 ft)
- Deck Width
- 8.7 m (29 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 300 vehicles/day
- Structure Number
- 000000000013577
Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • 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
This page shows what the last federal inspection recorded, not whether GRACECHURCH LANE 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 GRACECHURCH LANE 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 GRACECHURCH LANE?
GRACECHURCH LANE in Macomb, Michigan has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is GRACECHURCH LANE inspected?
GRACECHURCH LANE'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 300 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. GRACECHURCH LANE 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 GRACECHURCH LANE?
GRACECHURCH LANE has an NBI inventory load rating of 28.7 metric tons.
Who is responsible for maintaining GRACECHURCH LANE?
GRACECHURCH LANE is owned and maintained by County Highway Agency.
How old is GRACECHURCH LANE and does age affect safety?
GRACECHURCH LANE was built in 1972, making it 54 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.