ALEXANDER ROAD
Carrying ALEXANDER ROAD over LITTLE BEAR BROOK
0.8 mile south of US 1, Mercer, New Jersey
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
ALEXANDER ROAD in Mercer, New Jersey sits above 41% of rated New Jersey bridges on inventory load rating (36 t), while its 1982 build year is earlier than 49% of Mercer's recorded-year cohort (412 bridges).
ALEXANDER ROAD in Mercer, New Jersey is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1982, it carries 1 rated component 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 NJ:1107612
LATE-CENTURY · CONCRETE · SINGLE-SPAN · CULVERT-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- LATE-CENTURY 1980–1999
- CONCRETE Concrete
- SINGLE-SPAN Single span
- CULVERT-LED Culvert-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: ALEXANDER ROAD
The ALEXANDER ROAD bridge in Mercer, New Jersey carries ALEXANDER ROAD over LITTLE BEAR BROOK. It was built in 1982, making it 44 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.1 meters (20 feet) end to end. Daily traffic averages 15,755 vehicles, placing it in the heavily-trafficked tier of New Jersey bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How ALEXANDER ROAD compares
Age against the county: built in 1982, earlier than 203 of Mercer's 412 bridges with a recorded construction year (49%), against a county median build year of 1981. This is one of the newer structures in its county.
Live comparison across New Jersey bridges with a recorded inventory load rating (6,826 of 6,827 rated).
ALEXANDER ROAD vs every rated New Jersey bridge
Inventory load rating (metric tons), FHWA NBI, this state
36 Top 59% higher than 41% of 6,826 bridges
rated New Jersey 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.
Mercer inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 414 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
- 1982
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 6.1 m (20 ft)
- Deck Width
- 23.2 m (76 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 15,755 vehicles/day
- Structure Number
- 1107612
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 ALEXANDER 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 ALEXANDER ROAD against other structures in Mercer and across New Jersey. New Jersey 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 ALEXANDER ROAD?
ALEXANDER ROAD in Mercer, New Jersey on the FHWA's 0–9 scale.
How often is ALEXANDER ROAD inspected?
ALEXANDER 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 15,755 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ALEXANDER 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 ALEXANDER ROAD?
ALEXANDER ROAD has an NBI inventory load rating of 36.3 metric tons.
Who is responsible for maintaining ALEXANDER ROAD?
ALEXANDER ROAD is owned and maintained by County Highway Agency.
How old is ALEXANDER ROAD and does age affect safety?
ALEXANDER ROAD was built in 1982, making it 44 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.