NJ 33B
Carrying NJ 33B over FREEHOLD SEC. MP 18.35
0.8 MI E OF RT 79, Monmouth, New Jersey
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
NJ 33B in Monmouth, New Jersey sits above 6% of rated New Jersey bridges on inventory load rating (20 t), while its 1925 build year is earlier than 95% of Monmouth's recorded-year cohort (505 bridges).
NJ 33B in Monmouth, New Jersey is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1925, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. 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 NJ:1336150
PRE-1950 · STEEL · MULTI-SPAN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- STEEL Steel
- MULTI-SPAN 2 spans
- DECK-LED Deck-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard 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: NJ 33B
The NJ 33B bridge in Monmouth, New Jersey carries NJ 33B over FREEHOLD SEC. MP 18.35. It was built in 1925, making it 101 years old today. The structure is built primarily of steel and spans 2 sections, stretching 34.4 meters (113 feet) end to end. Daily traffic averages 14,438 vehicles, placing it in the heavily-trafficked tier of New Jersey bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 3/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How NJ 33B compares
Age against the county: built in 1925, earlier than 478 of Monmouth's 505 bridges with a recorded construction year (95%), against a county median build year of 1972. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across New Jersey bridges with a recorded inventory load rating (6,826 of 6,827 rated).
NJ 33B vs every rated New Jersey bridge
Inventory load rating (metric tons), FHWA NBI, this state
20 Top 94% higher than 6% 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.
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.
Monmouth inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 505 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
- 1925
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 34.4 m (113 ft)
- Deck Width
- 9.6 m (31 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 14,438 vehicles/day
- Structure Number
- 1336150
Condition Analysis
- • At 3/9, the deck (driving surface) is in poor shape, with advanced wear on file for this vintage.
- • 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 (5/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
NJ 33B 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 NJ 33B against other structures in Monmouth 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 NJ 33B?
NJ 33B in Monmouth, New Jersey has a deck rating of 3/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is NJ 33B inspected?
NJ 33B'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 14,438 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NJ 33B 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 NJ 33B?
NJ 33B has an NBI inventory load rating of 20.0 metric tons.
Who is responsible for maintaining NJ 33B?
NJ 33B is owned and maintained by State Highway Agency.
How old is NJ 33B and does age affect safety?
NJ 33B was built in 1925, making it 101 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.